message: docs: add doc to include updates to the index.html with the new ng add command
  PR Close
diff: @@ -23,10 +23,14 @@ ng add @angular/pwa --project *project-name*
  The above command completes the following actions:
  -1. Adds the `@angular/service-worker` package.
  +1. Adds the `@angular/service-worker` package to your project.
  2. Enables service worker build support in the CLI.
  3. Imports and registers the service worker in the app module.
  -4. Creates the service worker configuration file called `ngsw-config.json` which specifies the caching behaviors and other settings.
  +4. Updates the `index.html` file:
  + * Includes a link to add the `manifest.json` file.
  + * Adds meta tags for `theme-color`.
  +5. Installs icon files to support the installed Progressive Web App (PWA).
  +6. Creates the service worker configuration file called [`ngsw-config.json`](/guide/service-worker-config), which specifies the caching behaviors and other settings.
  Now, build the project:
  