Update Docker Setup

Docker-Setup.md

@@ -56,3 +56,14 @@ docker run hello-world
 
 ## Uninstall Docker
 
+1. Use the apt purge command to uninstall the Docker-related packages:
+
+```bash
+sudo apt purge docker-ce docker-ce-cli containerd.io
+```
+
+2. To delete leftover data, run the following command:
+
+```bash
+sudo rm -rf /var/lib/docker
+```