Adds role specific channels.

Read ME update

Updating tile of role will update revelant channels and roles.

Added command examples.

Fixese leaks

EventBot/Entities/EventRole.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Text;
+using System.Text.RegularExpressions;
 
 namespace EventBot.Entities
 {
@@ -15,6 +16,8 @@ namespace EventBot.Entities
         public string Description { get; set; }
         public string Emote { get; set; }
         public int MaxParticipants { get; set; }
+        public ulong ChannelId { get; set; }
+        public ulong RoleId { get; set; }
         public int EventId { get; set; }
         [ForeignKey("EventId")]
         public virtual Event Event { get; set; }
@@ -22,6 +25,8 @@ namespace EventBot.Entities
         public int ParticipantCount => Participants == null ? 0 : Participants.Count;
         public int ReamainingOpenings => MaxParticipants < 0 ? 1 : MaxParticipants - ParticipantCount;
 
+        public string ChannelName => Regex.Replace(Title.Replace(' ', '-'), "(?!\\w)", "");
+
         public int SortNumber
         {
             get