Changes to Create a list.

added the new required request property items

the request's body type changed from array to object

deleted the query request parameter description

added the new optional request property description

added the optional property field to the response with the 201 status

added the optional property field to the response with the 400 status

added the optional property field to the response with the 401 status

added the optional property field to the response with the 404 status

added the optional property field to the response with the 413 status

added the optional property field to the response with the 415 status

added the optional property field to the response with the 500 status

added the optional property field to the response with the 503 status

added the optional property reason to the response with the 201 status

added the optional property reason to the response with the 400 status

added the optional property reason to the response with the 401 status

added the optional property reason to the response with the 404 status

added the optional property reason to the response with the 413 status

added the optional property reason to the response with the 415 status

added the optional property reason to the response with the 500 status

added the optional property reason to the response with the 503 status

removed the non-success response with the status 412

removed the success response with the status 200

added the non-success response with the status 409

for the query request parameter description, default value was removed

removed the media type */* for the response with the status 400

removed the media type */* for the response with the status 401

removed the media type */* for the response with the status 413

removed the media type */* for the response with the status 415

removed the media type */* for the response with the status 500

removed the media type */* for the response with the status 503

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

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

added the media type application/json for the response with the status 413

added the media type application/json for the response with the status 415

added the media type application/json for the response with the status 500

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

endpoint added