chore: update naming game -> simple server

SimpleServer/Source/AuthorizerByKey.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Text;
+using Ragon.Core;
+
+namespace Game.Source;
+
+public class AuthorizerByKey: AuthorizationManager
+{
+  private Configuration _configuration;
+  public AuthorizerByKey(Configuration configuration)
+  {
+    _configuration = configuration;
+  }
+
+  public override bool OnAuthorize(uint peerId, ref ReadOnlySpan<byte> payload)
+  {
+    var key = Encoding.UTF8.GetString(payload);
+    return _configuration.Key == key;
+  }
+}