[dp][s]: add mimetype for Data Packages - refs #245.

data-packages/index.md

@@ -25,7 +25,7 @@ explicit changes please fork the [git repo][repo] and submit a pull request.
 
 ### Changelog
 
-- `1.0.0-beta.16`: description is markdown formatted as per [issue #152](https://github.com/dataprotocols/dataprotocols/issues/152);
+- `1.0.0-beta.16`: description is markdown formatted as per [issue #152](https://github.com/dataprotocols/dataprotocols/issues/152); MimeType for Data Packages is vnd.datapackage [issue #245](https://github.com/dataprotocols/dataprotocols/issues/245)
 - `1.0.0-beta.15`: only one of `url`, `path`, `data` present on as per [issue #223](https://github.com/dataprotocols/dataprotocols/issues/223); remove `base` property as per [issue #232](https://github.com/dataprotocols/dataprotocols/issues/232)
 - `1.0.0-beta.14`: drop `licenses` in favour of `license` as per [issue #214](https://github.com/dataprotocols/dataprotocols/issues/214)
 - `1.0.0-beta.13`: add support for sharing schemas across resources via schema references as per [issue #71](https://github.com/dataprotocols/dataprotocols/issues/71)
@@ -516,6 +516,9 @@ It builds on this data package specification (Tabular Data Package datasets are
 Data Packages) and provides additional specific requirements for the format and
 structure of data files and the resource information in the datapackage.json.
 
+## MediaType
+
+The MediaType [RFC4288] for a Data Package SHOULD be *application/vnd.datapackage*.
 
 # Background