fix: update uninstall docs

add step to remove docker network

Author: ShahriarKh

apps/docs/content/docs/core/uninstall.mdx

@@ -26,6 +26,16 @@ Remove the docker volumes created by Dokploy:
    ```
 
 </Step>
+
+<Step>
+ 
+Remove the docker network created by Dokploy:
+
+   ```bash
+   docker network rm -f dokploy-network
+   ```
+ 
+</Step>
 
 <Step>
 
@@ -36,4 +46,4 @@ Remove the dokploy files and directories from your server:
    ```
 
 </Step>
-</Steps>
+</Steps>