(#806) Add API for uploading JSON contexts

Author: excelsior

lib/swagger_docs/models.rb

@@ -562,6 +562,16 @@ module Models # rubocop:todo Metrics/ModuleLength, Style/Documentation
             end
           end
         end
+
+        swagger_schema :JsonContext do
+          property :context,
+                   description: 'The payload of the context',
+                   type: :object
+
+          property :url,
+                   description: 'The URL of the context',
+                   type: :string
+        end
       end
     end
   end