Some orgnization, and cleanup to come.

RelayServer/Models/Server/ServerMembers.cs

@@ -0,0 +1,10 @@
+using SurrealDb.Net.Models;
+
+namespace RelayServer.Models;
+
+public class ServerMembers : Record
+{
+    public required string UserId { get; set; }
+    public required DateTime JoinedAt { get; set; }
+    public bool IsOwner { get; set; }
+}