feat(customsearch): update the API

#### customsearch:v1
The following keys were added:
- resources.cse.methods.list.parameters.imgColorType.enumDescriptions
- resources.cse.methods.list.parameters.imgDominantColor.enumDescriptions
- resources.cse.methods.list.parameters.imgSize.enumDescriptions
- resources.cse.methods.list.parameters.imgType.enumDescriptions
- resources.cse.methods.list.parameters.safe.enumDescriptions
- resources.cse.methods.list.parameters.searchType.enumDescriptions
- resources.cse.methods.list.parameters.siteSearchFilter.enumDescriptions
- resources.cse.resources.siterestrict.methods.list.parameters.imgColorType.enumDescriptions
- resources.cse.resources.siterestrict.methods.list.parameters.imgDominantColor.enumDescriptions
- resources.cse.resources.siterestrict.methods.list.parameters.imgSize.enumDescriptions
- resources.cse.resources.siterestrict.methods.list.parameters.imgType.enumDescriptions
- resources.cse.resources.siterestrict.methods.list.parameters.safe.enumDescriptions
- resources.cse.resources.siterestrict.methods.list.parameters.searchType.enumDescriptions
- resources.cse.resources.siterestrict.methods.list.parameters.siteSearchFilter.enumDescriptions

The following keys were changed:
- resources.cse.methods.list.description
- resources.cse.methods.list.parameters.c2coff.description
- resources.cse.methods.list.parameters.cr.description
- resources.cse.methods.list.parameters.dateRestrict.description
- resources.cse.methods.list.parameters.excludeTerms.description
- resources.cse.methods.list.parameters.fileType.description
- resources.cse.methods.list.parameters.filter.description
- resources.cse.methods.list.parameters.gl.description
- resources.cse.methods.list.parameters.googlehost.description
- resources.cse.methods.list.parameters.highRange.description
- resources.cse.methods.list.parameters.hl.description
- resources.cse.methods.list.parameters.hq.description
- resources.cse.methods.list.parameters.imgColorType.description
- resources.cse.methods.list.parameters.imgDominantColor.description
- resources.cse.methods.list.parameters.imgSize.description
- resources.cse.methods.list.parameters.imgType.description
- resources.cse.methods.list.parameters.linkSite.description
- resources.cse.methods.list.parameters.lowRange.description
- resources.cse.methods.list.parameters.lr.description
- resources.cse.methods.list.parameters.num.description
- resources.cse.methods.list.parameters.orTerms.description
- resources.cse.methods.list.parameters.relatedSite.description
- resources.cse.methods.list.parameters.rights.description
- resources.cse.methods.list.parameters.safe.description
- resources.cse.methods.list.parameters.searchType.description
- resources.cse.methods.list.parameters.siteSearch.description
- resources.cse.methods.list.parameters.siteSearchFilter.description
- resources.cse.methods.list.parameters.sort.description
- resources.cse.methods.list.parameters.start.description
- resources.cse.resources.siterestrict.methods.list.description
- resources.cse.resources.siterestrict.methods.list.parameters.c2coff.description
- resources.cse.resources.siterestrict.methods.list.parameters.cr.description
- resources.cse.resources.siterestrict.methods.list.parameters.dateRestrict.description
- resources.cse.resources.siterestrict.methods.list.parameters.excludeTerms.description
- resources.cse.resources.siterestrict.methods.list.parameters.fileType.description
- resources.cse.resources.siterestrict.methods.list.parameters.filter.description
- resources.cse.resources.siterestrict.methods.list.parameters.gl.description
- resources.cse.resources.siterestrict.methods.list.parameters.googlehost.description
- resources.cse.resources.siterestrict.methods.list.parameters.highRange.description
- resources.cse.resources.siterestrict.methods.list.parameters.hl.description
- resources.cse.resources.siterestrict.methods.list.parameters.hq.description
- resources.cse.resources.siterestrict.methods.list.parameters.imgColorType.description
- resources.cse.resources.siterestrict.methods.list.parameters.imgDominantColor.description
- resources.cse.resources.siterestrict.methods.list.parameters.imgSize.description
- resources.cse.resources.siterestrict.methods.list.parameters.imgType.description
- resources.cse.resources.siterestrict.methods.list.parameters.linkSite.description
- resources.cse.resources.siterestrict.methods.list.parameters.lowRange.description
- resources.cse.resources.siterestrict.methods.list.parameters.lr.description
- resources.cse.resources.siterestrict.methods.list.parameters.num.description
- resources.cse.resources.siterestrict.methods.list.parameters.orTerms.description
- resources.cse.resources.siterestrict.methods.list.parameters.relatedSite.description
- resources.cse.resources.siterestrict.methods.list.parameters.rights.description
- resources.cse.resources.siterestrict.methods.list.parameters.safe.description
- resources.cse.resources.siterestrict.methods.list.parameters.searchType.description
- resources.cse.resources.siterestrict.methods.list.parameters.siteSearch.description
- resources.cse.resources.siterestrict.methods.list.parameters.siteSearchFilter.description
- resources.cse.resources.siterestrict.methods.list.parameters.sort.description
- resources.cse.resources.siterestrict.methods.list.parameters.start.description
- schemas.Promotion.properties.bodyLines.description
- schemas.Result.properties.kind.description
- schemas.Result.properties.labels.description
- schemas.Result.properties.labels.items.properties.displayName.description
- schemas.Result.properties.labels.items.properties.name.description
- schemas.Result.properties.link.description
- schemas.Result.properties.pagemap.description
- schemas.Search.properties.context.description
- schemas.Search.properties.kind.description
- schemas.Search.properties.promotions.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.cr.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.cx.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.dateRestrict.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.disableCnTwTranslation.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.exactTerms.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.excludeTerms.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.fileType.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.filter.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.gl.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.googleHost.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.highRange.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.hl.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.hq.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.imgColorType.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.imgDominantColor.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.imgSize.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.imgType.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.lowRange.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.orTerms.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.relatedSite.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.rights.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.safe.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.searchType.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.siteSearchFilter.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.sort.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.startIndex.description
- schemas.Search.properties.queries.properties.nextPage.items.properties.startPage.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.cr.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.cx.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.dateRestrict.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.disableCnTwTranslation.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.exactTerms.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.excludeTerms.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.fileType.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.filter.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.gl.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.googleHost.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.highRange.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.hl.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.hq.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.imgColorType.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.imgDominantColor.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.imgSize.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.imgType.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.lowRange.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.orTerms.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.relatedSite.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.rights.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.safe.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.searchType.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.siteSearchFilter.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.sort.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.startIndex.description
- schemas.Search.properties.queries.properties.previousPage.items.properties.startPage.description
- schemas.Search.properties.queries.properties.request.items.properties.cr.description
- schemas.Search.properties.queries.properties.request.items.properties.cx.description
- schemas.Search.properties.queries.properties.request.items.properties.dateRestrict.description
- schemas.Search.properties.queries.properties.request.items.properties.disableCnTwTranslation.description
- schemas.Search.properties.queries.properties.request.items.properties.exactTerms.description
- schemas.Search.properties.queries.properties.request.items.properties.excludeTerms.description
- schemas.Search.properties.queries.properties.request.items.properties.fileType.description
- schemas.Search.properties.queries.properties.request.items.properties.filter.description
- schemas.Search.properties.queries.properties.request.items.properties.gl.description
- schemas.Search.properties.queries.properties.request.items.properties.googleHost.description
- schemas.Search.properties.queries.properties.request.items.properties.highRange.description
- schemas.Search.properties.queries.properties.request.items.properties.hl.description
- schemas.Search.properties.queries.properties.request.items.properties.hq.description
- schemas.Search.properties.queries.properties.request.items.properties.imgColorType.description
- schemas.Search.properties.queries.properties.request.items.properties.imgDominantColor.description
- schemas.Search.properties.queries.properties.request.items.properties.imgSize.description
- schemas.Search.properties.queries.properties.request.items.properties.imgType.description
- schemas.Search.properties.queries.properties.request.items.properties.lowRange.description
- schemas.Search.properties.queries.properties.request.items.properties.orTerms.description
- schemas.Search.properties.queries.properties.request.items.properties.relatedSite.description
- schemas.Search.properties.queries.properties.request.items.properties.rights.description
- schemas.Search.properties.queries.properties.request.items.properties.safe.description
- schemas.Search.properties.queries.properties.request.items.properties.searchType.description
- schemas.Search.properties.queries.properties.request.items.properties.siteSearchFilter.description
- schemas.Search.properties.queries.properties.request.items.properties.sort.description
- schemas.Search.properties.queries.properties.request.items.properties.startIndex.description
- schemas.Search.properties.queries.properties.request.items.properties.startPage.description
- schemas.Search.properties.searchInformation.properties.formattedSearchTime.description
- schemas.Search.properties.url.properties.template.description
- schemas.Search.properties.url.properties.type.description