Added IsMentioningMe property to Message

src/Discord.Net/DiscordClient.cs

@@ -118,6 +118,7 @@ namespace Discord
 						message.IsMentioningEveryone = extendedModel.IsMentioningEveryone;
 						message.IsTTS = extendedModel.IsTextToSpeech;
 						message.MentionIds = extendedModel.Mentions?.Select(x => x.Id)?.ToArray() ?? new string[0];
+						message.IsMentioningMe = message.MentionIds.Contains(UserId);
 						if (extendedModel.Author != null)
 							message.UserId = extendedModel.Author.Id;
 						message.Timestamp = extendedModel.Timestamp;

src/Discord.Net/Message.cs

@@ -20,6 +20,7 @@ namespace Discord
 
 		public string Id { get; }
 
+		public bool IsMentioningMe { get; internal set; }
 		public bool IsMentioningEveryone { get; internal set; }
 		public bool IsTTS { get; internal set; }
 		public string Text { get; internal set; }