Add `--pwa` option description to CLI.md

docs/en/CLI.md

@@ -115,6 +115,7 @@ For more samples, go to [ABP CLI Create Solution Samples](CLI-New-Command-Sample
     * `--database-provider` or `-d`: Specifies the database provider. Default provider is `ef`. Available providers:
         * `ef`: Entity Framework Core.
         * `mongodb`: MongoDB.
+    * `--pwa`: Specifies to Configure Angular or Blazor WebAssembly project as Progressive Web Application.
 * `--output-folder` or `-o`: Specifies the output folder. Default value is the current directory.
 * `--version` or `-v`: Specifies the ABP & template version. It can be a [release tag](https://github.com/abpframework/abp/releases) or a [branch name](https://github.com/abpframework/abp/branches). Uses the latest release if not specified. Most of the times, you will want to use the latest version.
 * `--preview`: Use latest preview version.