chore: format on save using Prettier in VS Code

Author: Anoesj

.vscode/settings.json

@@ -4,4 +4,14 @@
   "typescript.preferences.autoImportFileExcludePatterns": [
     "vue-router$",
   ],
-}
+  "editor.formatOnSave": true,
+  "[typescript]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+  },
+  "[javascript]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+  },
+  "[json]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+  },
+}