Add podman machine stop command to instructions q

Author: stopsopa

pages/docker/index.html

@@ -237,6 +237,7 @@ <h2>podman</h2>
           podman info
           podman machine init
           podman machine start
+          podman machine stop
           podman run -d -p 8080:80/tcp docker.io/library/httpd
 
           # check if podman compose is there