only host can add windbot

ygopro-server.coffee

@@ -2502,7 +2502,7 @@ ygopro.ctos_follow 'CHAT', true, (buffer, info, client, server)->
       ygopro.stoc_send_random_tip(client) if settings.modules.tips.enabled
 
     when '/ai'
-      if settings.modules.windbot.enabled
+      if settings.modules.windbot.enabled and client.is_host
         if name = cmd[1]
           windbot = _.sample _.filter windbots, (w)->
             w.name == name or w.deck == name

ygopro-server.js

@@ -3102,7 +3102,7 @@
         }
         break;
       case '/ai':
-        if (settings.modules.windbot.enabled) {
+        if (settings.modules.windbot.enabled && client.is_host) {
           if (name = cmd[1]) {
             windbot = _.sample(_.filter(windbots, function(w) {
               return w.name === name || w.deck === name;