Merge branch 'v0.22.x'

src/output/plugins/httpd/HttpdClient.cxx

@@ -162,6 +162,7 @@ HttpdClient::SendResponse() noexcept
 			 "Connection: close\r\n"
 			 "Pragma: no-cache\r\n"
 			 "Cache-Control: no-cache, no-store\r\n"
+			 "Access-Control-Allow-Origin: *\r\n"
 			 "\r\n",
 			 httpd.content_type);
 		response = buffer;