feat: show window on second_instance

Author: 0xbrayo

package-lock.json

@@ -13,6 +13,7 @@
     "@tauri-apps/api": "^2",
     "@tauri-apps/plugin-autostart": "^2.0.0",
     "@tauri-apps/plugin-dialog": "^2.0.1",
+    "@tauri-apps/plugin-notification": "^2.0.0",
     "@tauri-apps/plugin-shell": "^2",
     "vue": "^3.3.4"
   },