message: ignore single app instance for dev mode
diff: @@ -40,8 +40,8 @@ const shouldQuit = app.makeSingleInstance((argv) => {
  processProtocolAction(argv);
  });
  -// quit if another instance is already running
  -if (shouldQuit) {
  +// quit if another instance is already running, ignore for dev env
  +if (!isDevEnv && shouldQuit) {
  app.quit();
  }
  