chore: add auto format setting

.vscode/settings.json

@@ -1,3 +1,6 @@
 {
-    "eslint.packageManager": "pnpm"
-}
+  "eslint.packageManager": "pnpm",
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.formatOnSave": true,
+  "editor.formatOnSaveMode": "file"
+}