Changes to Create a user

api tag Users added

api tag User removed

added the media type application/xml for the response with the status 201

added the media type application/xml for the response with the status 400

added the media type application/xml for the response with the status 401

added the media type application/xml for the response with the status 403

added the media type application/xml for the response with the status 422

added the media type application/xml for the response with the status 429

added the media type application/xml for the response with the status 503

added User subschema #2 to the response body oneOf list for the response status 201

request property user_fields/additionalProperties list-of-types was widened by adding types array to media type application/json

removed UserSummary UserDetail from the response body allOf list for the response status 201

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 422

added the non-success response with the status 429

added the non-success response with the status 503