Update site/content/docs/5.2/getting-started/webpack.md

Co-authored-by: Julien Déramond <julien.deramond@orange.com>

site/content/docs/5.2/getting-started/webpack.md

@@ -19,7 +19,7 @@ We're building a Webpack project with Bootstrap from scratch, so there are some
 1. **Create a project folder and setup npm.** We'll create the `my-project` folder and initialize npm with the `-y` argument to avoid it asking us all the interactive questions.
 
    ```sh
-   mkdir my-project
+   mkdir my-project && cd my-project
    npm init -y
    ```