Adds role specific channels.

Read ME update

Updating tile of role will update revelant channels and roles.

Added command examples.

Fixese leaks

EventBot/Services/DatabaseService.cs

@@ -35,6 +35,7 @@ namespace EventBot.Services
 
             _discord = services.GetRequiredService<DiscordSocketClient>();
             _discord.GuildAvailable += OnGuildAvaivable;
+            _discord.JoinedGuild += OnGuildAvaivable;
         }
         public DatabaseService(): base() {}