Enforce ESLint as default formatter in VSCode settings

.vscode/settings.json

@@ -1,4 +1,7 @@
 {
+  "[json][typescript][typescriptreact][javascript]": {
+    "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+  },
   "editor.codeActionsOnSave": {
     "source.fixAll.eslint": "explicit"
   },