Describe limitations of remote services (#1756)

Co-authored-by: Marc Becker <[email protected]>
Co-authored-by: René Jeglinsky <[email protected]>

Author: 3 people

java/cqn-services/remote-services.md

@@ -486,3 +486,7 @@ OAuth2DestinationBuilder
         .property("name", "my-destination")
         .build();
 ```
+
+### Limitations
+
+Streaming of media content is not supported. This means that elements of an entity annotated with `@Core.MediaType` cannot be accessed via Remote OData Services and will cause an error. It is recommended to exclude these elements in your projections on the imported entity.