Support W3C Web Annotation Protocol Media Type

[vedatakses]

According to the document:

• W3C Web Annotation Protocol

The following media type can be supported by the framework:

application/ld+json; profile="http://www.w3.org/ns/anno.jsonld"

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[bclozel]

Hi @vedatakses , thanks for your contribution.
We're trying to avoid cluttering the MediaType class with new static types, unless Spring is involved and supports this as a use case.

I'm closing this PR as there's no support on the Spring side as far as I know. Feel free to add such a static MediaType in your application, or open a new Spring Framework issue about in-depth support for such a technology.

Thanks!

[vedat-akses]

Hi @bclozel. Thanks for the information !