Added hermes websocket support. Added chat command support. Added selectable voice command via websocket. Added websocket heartbeat management.

User.cs

@@ -0,0 +1,36 @@
+using System.Text.RegularExpressions;
+using TwitchChatTTS.Hermes;
+
+namespace TwitchChatTTS
+{
+    public class User
+    {
+        // Hermes user id
+        public string HermesUserId { get; set; }
+        public long TwitchUserId { get; set; }
+        public string TwitchUsername { get; set; }
+        
+        public string DefaultTTSVoice { get; set; }
+        // voice id -> voice name
+        public IDictionary<string, string> VoicesAvailable { get; set; }
+        // chatter/twitch id -> voice name
+        public IDictionary<long, string> VoicesSelected { get; set; }
+        public HashSet<string> VoicesEnabled { get; set; }
+
+        public IDictionary<string, TTSUsernameFilter> ChatterFilters { get; set; }
+        public IList<TTSWordFilter> RegexFilters { get; set;  }
+
+
+        public User() {
+            
+        }
+
+        public Regex? GenerateEnabledVoicesRegex() {
+            if (VoicesAvailable == null || VoicesAvailable.Count() <= 0)
+                return null;
+
+            var enabledVoicesString = string.Join("|", VoicesAvailable.Select(v => v.Value));
+            return new Regex($@"\b({enabledVoicesString})\:(.*?)(?=\Z|\b(?:{enabledVoicesString})\:)", RegexOptions.IgnoreCase);
+        }
+    }
+}