Nuxt 2.15 Project Support (#365)

* Nuxt 2.15 Update

* Updated more proper dependencies

frontend/package.json

@@ -3,10 +3,10 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "dev": "nuxt-ts",
-    "build": "nuxt-ts build",
-    "start": "nuxt-ts start",
-    "generate": "nuxt-ts generate",
+    "dev": "nuxt",
+    "build": "nuxt build",
+    "start": "nuxt start",
+    "generate": "nuxt generate",
     "lint": "eslint --ext \".js,.vue,.ts\" --ignore-path .gitignore ."
   },
   "lint-staged": {
@@ -18,7 +18,6 @@
     }
   },
   "dependencies": {
-    "@nuxt/typescript-runtime": "^2.0.1",
     "@nuxtjs/axios": "^5.12.5",
     "@nuxtjs/proxy": "^2.1.0",
     "@nuxtjs/pwa": "^3.3.4",