try get fontawesome working

vue-mongotest/package.json

@@ -10,14 +10,15 @@
   "dependencies": {
     "@fortawesome/fontawesome-svg-core": "^1.2.35",
     "@fortawesome/free-solid-svg-icons": "^5.15.3",
+    "@fortawesome/vue-fontawesome": "^2.0.2",
     "core-js": "^3.6.5",
     "vue": "^3.0.0",
     "vue-awesome": "^4.3.1"
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "~4.5.0",
-    "@vue/cli-plugin-eslint": "~4.5.0",
-    "@vue/cli-service": "~4.5.0",
+    "@vue/cli-plugin-eslint": "^3.1.1",
+    "@vue/cli-service": "^3.12.1",
     "@vue/compiler-sfc": "^3.0.0",
     "babel-eslint": "^10.1.0",
     "eslint": "^6.7.2",