message: docs: change recommended actions folder name
diff: @@ -16,7 +16,7 @@ alongside your `backend` package in `packages/backend`.
  Let's create a simple action that adds a new file and some contents that are
  passed as `input` to the function.
  -In `packages/backend/src/actions/custom.ts` we can create a new action.
  +In `packages/backend/src/plugins/scaffolder/actions/custom.ts` we can create a new action.
  ```ts
  import { createTemplateAction } from '@backstage/plugin-scaffolder-backend';
  