Changes to List genres

api operation id genres was added

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 404

added the non-success response with the status 500

added the required property genre to the response with the 200 status

added the required property md5 to the response with the 200 status

added the required property total_count to the response with the 200 status

added the non-success response with the status 400