Implement SetActivePodType

src/Impostor.Api/Net/Messages/C2S/Message21SetActivePodType.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace Impostor.Api.Net.Messages.C2S
+{
+    public class Message21SetActivePodType
+    {
+        public static void Serialize(IMessageWriter writer)
+        {
+            throw new NotImplementedException();
+        }
+
+        public static void Deserialize(IMessageReader reader, out string podType)
+        {
+            podType = reader.ReadString();
+        }
+    }
+}

src/Impostor.Server/Net/Client.cs

@@ -257,6 +257,12 @@ namespace Impostor.Server.Net
                     break;
                 }
 
+                case MessageFlags.SetActivePodType:
+                {
+                    Message21SetActivePodType.Deserialize(reader, out _);
+                    break;
+                }
+
                 default:
                     if (_customMessageManager.TryGet(flag, out var customRootMessage))
                     {