chore: enable format on save

.vscode/settings.json

@@ -5,6 +5,7 @@
   "cSpell.enabledLanguageIds": ["markdown", "plaintext", "text", "yml"],
 
   // Use prettier to format typescript, javascript and JSON files
+  "editor.formatOnSave": true,
   "[typescript]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
   },