docs(web-dashboard): update local setup instructions

- Remove step for cloning the repository
- Add step for downloading the latest release
- Update instructions for installing dependencies and running the app

Author: fulleni

src/content/docs/web-dashboard/local-setup.mdx

@@ -14,14 +14,13 @@ This guide will walk you through setting up and running the Flutter News App Web
 
     -   **Flutter SDK:** Please follow the [Official Flutter Installation Guide](https://flutter.dev/docs/get-started/install) for your specific operating system.
 
-2.  **Clone the Repository**
+2.  **Download the Latest Release**
 
-    Open your terminal and clone the web dashboard repository:
+    Download the source code of the latest release from the GitHub releases page for the Web Dashboard:
 
-    ```bash
-    git clone https://github.com/flutter-news-app-full-source-code/flutter-news-app-web-dashboard-full-source-code.git
-    cd flutter-news-app-web-dashboard-full-source-code
-    ```
+    -   **Web Dashboard:** [https://github.com/flutter-news-app-full-source-code/flutter-news-app-web-dashboard-full-source-code/releases/latest](https://github.com/flutter-news-app-full-source-code/flutter-news-app-web-dashboard-full-source-code/releases/latest)
+
+    After downloading and extracting the archive, navigate into the project directory.
 
 3.  **Install Dependencies**