ags: now only shows BAR in primary monitor

pkgs/ags/biscuit/app.ts

@@ -9,5 +9,9 @@ App.start({
         print(request)
         res("ok")
     },
-    main: () => App.get_monitors().map(Bar),
+    main: () => {
+        const monitors = App.get_monitors()
+        const primary = monitors.find(m => m.primary) || monitors[0]
+        return Bar(primary)
+    }
 })