added discord rpc (#1178)

* added discord rpc

* linting issues

* Revert "linting issues"

This reverts commit 55f4e39506.

* fix clang-format issues

* removed wrong rpc submodule

* added correct rpc submodule

* Moved cmake instructions to correct files.

* added minor suggestions from pr

* Added an option to enable/disable RPC, added rpc to emulator.cpp making it work on nonqt builds

* typo & minor stuff

* Changed getInstance implementation with Singleton class.

* Update discord_rpc_handler.cpp

discord id

* fixed ci clangformat errors

---------

Co-authored-by: georgemoralis <giorgosmrls@gmail.com>

src/qt_gui/main_window.cpp

@@ -69,6 +69,14 @@ bool MainWindow::Init() {
     QString statusMessage =
         "Games: " + QString::number(numGames) + " (" + QString::number(duration.count()) + "ms)";
     statusBar->showMessage(statusMessage);
+
+    // Initialize Discord RPC
+    if (Config::getEnableDiscordRPC()) {
+        auto* rpc = Common::Singleton<DiscordRPCHandler::RPC>::Instance();
+        rpc->init();
+        rpc->setStatusIdling();
+    }
+
     return true;
 }