Changes to Published articles

added the optional property items/ai_disclosure_label to the response with the 200 status

added the optional property items/ai_disclosure_level to the response with the 200 status

the response property items/flare_tag/bg_color_hex became nullable for the status 200

the response property items/flare_tag/text_color_hex became nullable for the status 200

removed the non-success response with the status 401