Update VPS-SSH-KEY-SETUP.md

added #Make SSH Agent Persistent

VPS-SSH-KEY-SETUP.md

@@ -57,6 +57,7 @@ Should respond with authentication success message.
 Add to ~/.bashrc to avoid running the agent setup every time:
 
 ```bash
+#Make SSH Agent Persistent
 if ! pgrep -u "$USER" ssh-agent > /dev/null; then
     eval "$(ssh-agent -s)" >> ~/.ssh/agent.env
 fi