message: Updated documentation to rename plugin
  Documentation was not up to date with master codebase where plugin has been renamed to scaffolderPlugin
diff: @@ -74,17 +74,17 @@ export const myCustomValidation = (
  This is where the magic happens and creates the custom field extension.
  Note that if you're writing extensions part of a separate plugin,
  - then please use `plugin.provide` from there instead and export it part of your `plugin.ts` rather than re-using the `scaffolder.plugin`.
  + then please use `scaffolderPlugin.provide` from there instead and export it part of your `plugin.ts` rather than re-using the `scaffolder.plugin`.
  */
  import {
  - plugin,
  + scaffolderPlugin,
  createScaffolderFieldExtension,
  } from '@backstage/plugin-scaffolder';
  import { MyCustomExtension } from './MyCustomExtension';
  import { myCustomValidation } from './validation';
  -export const MyCustomFieldExtension = plugin.provide(
  +export const MyCustomFieldExtension = scaffolderPlugin.provide(
  createScaffolderFieldExtension({
  name: 'MyCustomExtension',
  component: MyCustomExtension,
  