message: Add Leave Feedback menu entry.
diff: @@ -166,6 +166,13 @@ export function buildMenuTemplate(
  remote.shell.openExternal("https://github.com/railsware/upterm");
  },
  },
  + {
  + label: "Leave Feedback",
  + click: () => {
  + /* tslint:disable:no-unused-expression */
  + remote.shell.openExternal("https://github.com/railsware/upterm/issues/new");
  + },
  + },
  ],
  },
  ];
  