Added support for StreamElements' Overlay Key for TTS. Added emote support for stores. Reduced emotes sent to users.

Models/Channel.cs

@@ -8,6 +8,7 @@ namespace HermesSocketServer.Models
         public required User User { get; set; }
         public required ChatterStore Chatters { get; set; }
         public required ConnectionStore Connections { get; set; }
+        public required EmoteStore Emotes { get; set; }
         public required GroupStore Groups { get; set; }
         public required GroupPermissionStore GroupPermissions { get; set; }
         public required PolicyStore Policies { get; set; }