Allow end user to configure what ports to listen on

sunshine/config.h

@@ -59,6 +59,7 @@ struct nvhttp_t {
   // Could be any of the following values:
   // pc|lan|wan
   std::string origin_pin_allowed;
+  std::string origin_web_ui_allowed;
 
   std::string pkey; // must be 2048 bits
   std::string cert; // must be signed with a key of 2048 bits