docs: fix (#4658)

Author: alexander-akait

packages/README.md

@@ -13,18 +13,15 @@ This folder is the collection of those packages.
 
 ## Packages
 
-1. [configtest](https://github.com/webpack/webpack-cli/tree/main/packages/configtest)
-2. [create-webpack-app](https://github.com/webpack/webpack-cli/tree/main/packages/create-webpack-app)
-3. [info](https://github.com/webpack/webpack-cli/tree/main/packages/info)
-4. [serve](https://github.com/webpack/webpack-cli/tree/main/packages/serve)
-5. [webpack-cli](https://github.com/webpack/webpack-cli/tree/main/packages/webpack-cli)
+1. [create-webpack-app](https://github.com/webpack/webpack-cli/tree/main/packages/create-webpack-app)
+2. [webpack-cli](https://github.com/webpack/webpack-cli/tree/main/packages/webpack-cli)
 
 ## Generic Installation
 
 Standalone installation of packages (except `create-webpack-app`, it is a self-sufficient package)
 
 ```shell
-npm install webpack-cli @webpack-cli/<package>
+npm install webpack-cli
 ```
 
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