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

Hermes/Socket/Handlers/HeartbeatHandler.cs

@@ -0,0 +1,35 @@
+using CommonSocketLibrary.Abstract;
+using CommonSocketLibrary.Common;
+using HermesSocketLibrary.Socket.Data;
+using Microsoft.Extensions.Logging;
+
+namespace TwitchChatTTS.Hermes.Socket.Handlers
+{
+    public class HeartbeatHandler : IWebSocketHandler
+    {
+        private ILogger _logger { get; }
+        public int OperationCode { get; set; } = 0;
+
+        public HeartbeatHandler(ILogger<HeartbeatHandler> logger) {
+            _logger = logger;
+        }
+
+        public async Task Execute<Data>(SocketClient<WebSocketMessage> sender, Data message)
+        {
+            if (message is not HeartbeatMessage obj || obj == null)
+                return;
+            
+            if (sender is not HermesSocketClient client) {
+                return;
+            }
+
+            _logger.LogTrace("Received heartbeat.");
+
+            client.LastHeartbeat = DateTime.UtcNow;
+
+            await sender.Send(0, new HeartbeatMessage() {
+                DateTime = DateTime.UtcNow
+            });
+        }
+    }
+}