message: chore: added some more lines of documentation
diff: @@ -21,12 +21,14 @@ Field extensions are a way to combine an ID, a `React` Component and a
  `validation` function together in a modular way that you can then use to pass to
  the `Scaffolder` frontend plugin in your own `App.tsx`.
  -You can create your own Field Extension by using the `createScaffolderFieldExtension` `API` like below:
  +You can create your own Field Extension by using the
  +`createScaffolderFieldExtension` `API` like below:
  ```tsx
  -//packages/app/scaffolder/
  -const CustomFieldExtensionComponent = () => {
  -
  -}
  -
  +//packages/app/scaffolder/MyCustomExtension/MyCustomExtension.tsx
  +export const MyCustomExtension = () => {};
  +```
  +```tsx
  +// packages/app/scaffolder/MyCustomExtension/validation.ts
  +```
  