doc: desktop

Author: tjbck

docs/intro.mdx

@@ -55,6 +55,15 @@ DATA_DIR=~/.open-webui uvx --python 3.11 open-webui@latest serve
 
 Then open [http://localhost:8080](http://localhost:8080).
 
+  </TabItem>
+  <TabItem value="desktop" label="Desktop">
+
+Download the desktop app from [**github.com/open-webui/desktop**](https://github.com/open-webui/desktop). It runs Open WebUI natively on your system without Docker or manual setup.
+
+:::warning Experimental
+The desktop app is a **work in progress** and is not yet stable. For production use, install via **Docker** or **Python**.
+:::
+
   </TabItem>
 </Tabs>