fix: add fs-extra to electron app

resources/package.json

@@ -19,7 +19,8 @@
     "update-electron-app": "^2.0.1",
     "node-fetch": "^2.6.1",
     "open": "^7.3.1",
-    "chokidar": "^3.5.1"
+    "chokidar": "^3.5.1",
+    "fs-extra": "^9.1.0"
   },
   "devDependencies": {
     "@electron-forge/cli": "^6.0.0-beta.54",