add quit command

index.js

@@ -175,6 +175,10 @@ pnslWebSocket.on('message', async (data) => {
             return say(channel || channelName, `${clients.filter((i) => i.ready).length} Clients from total of ${clients.length} are operational`);
         }
 
+        if (command === 'quit') {
+            process.exit(0);
+        }
+
         if (command === 'runlist') {
             const listID = args[0];
             const channel = args[1];