Changes to Publisher lookup

added the non-success response with the status 503

added the new optional query request parameter include

added the optional property placements to the response with the 200 status

added the optional property formats/items/sample_render_url to the response with the 200 status

added the new adagents_authoritative enum value to the discovery_method response property for the response status 200

added the new community enum value to the files/adagents_json/status response property for the response status 200

added the new community enum value to the properties/items/source response property for the response status 200

added the new community_catalog enum value to the discovery_method response property for the response status 200

added the optional property brand to the response with the 200 status

added the optional property files/adagents_json/registry_url to the response with the 200 status

added the optional property formats to the response with the 200 status