add

frontend/package.json

@@ -1,4 +1,4 @@
-{
+{
   "name": "nursing-home-frontend",
   "version": "1.0.0",
   "private": true,
@@ -8,6 +8,7 @@
   },
   "dependencies": {
     "axios": "^1.6.8",
+    "core-js": "^3.36.0",
     "element-ui": "^2.15.14",
     "vue": "^2.7.16",
     "vue-router": "^3.6.5"
@@ -15,8 +16,12 @@
   "devDependencies": {
     "@vue/cli-plugin-babel": "^5.0.8",
     "@vue/cli-service": "^5.0.8",
+    "@babel/preset-env": "7.23.9",
     "babel-core": "^7.0.0-bridge.0",
     "babel-loader": "^8.3.0",
     "vue-template-compiler": "^2.7.16"
+  },
+  "overrides": {
+    "@babel/preset-env": "7.23.9"
   }
 }