Rename types and fix type portability in preview

[compulim]

Changelog

Please copy and paste new entries from CHANGELOG.md here.

Changed

• (Preview) 💢 Changed signature to return wrapped return value, instead of plain ComponentType, by @compulim in PR #91 and #92

Specific changes

Please list each individual specific change in this pull request.

The idea: middleware -> enhancer -> handler -> handler result.

• Functor -> ComponentHandler/ComponentHandlerResult
• useBuildRenderCallback(): ComponentRenderer<Props>
• Exported more types for type portability