added don't join servers in order to prevent the bot from spreading if needed

NadekoBot/Classes/_JSONModels.cs

@@ -11,6 +11,8 @@
         public bool? ForwardMessages;
         public string SoundCloudClientID;
         public string MashapeKey;
+        public string LOLAPIKey;
+        public bool DontJoinServers = false;
     }
     public class AnimeResult
     {

NadekoBot/Modules/Conversations.cs

@@ -264,7 +264,7 @@ namespace NadekoBot.Modules {
                         text = usr?.Name;
                         await e.Channel.SendFile("ripzor_m8.png", RipName(text, e.GetArg("year") == "" ? null : e.GetArg("year")));
                     });
-
+                if (!NadekoBot.creds.DontJoinServers) {
                     cgb.CreateCommand("j")
                         .Description("Joins a server using a code.")
                         .Parameter("id", ParameterType.Required)
@@ -272,10 +272,13 @@ namespace NadekoBot.Modules {
                             try {
                                 await (await client.GetInvite(e.Args[0])).Accept();
                                 await e.Send("I got in!");
-                        } catch  {
+                            }
+                            catch {
                                 await e.Send("Invalid code.");
                             }
                         });
+                }
+                
                 cgb.CreateCommand("slm")
                     .Description("Shows the message where you were last mentioned in this channel (checks last 10k messages)")
                     .Do(async e => {

NadekoBot/NadekoBot.cs

@@ -156,6 +156,7 @@ namespace NadekoBot {
                 e.User.Id == 143515953525817344)
                 return; // FU
 
+            if (!NadekoBot.creds.DontJoinServers) {
                 try {
                     await (await client.GetInvite(e.Message.Text)).Accept();
                     await e.Send("I got in!");
@@ -167,6 +168,7 @@ namespace NadekoBot {
                         return;
                     }
                 }
+            }
 
             if (ForwardMessages && OwnerPrivateChannel != null)
                 await OwnerPrivateChannel.SendMessage(e.User + ": ```\n" + e.Message.Text + "\n```");