Some orgnization, and cleanup to come.

RelayServer/Models/Rtc/RtcAnswer.cs

@@ -0,0 +1,12 @@
+using SurrealDb.Net.Models;
+
+namespace RelayServer.Models.Rtc;
+
+public class RtcAnswer : Record
+{
+    public required string ChannelId { get; set; }
+    public required string OfferUser { get; set; }
+    public required string AnswerUser { get; set; }
+    public required string Sdp { get; set; }
+    public DateTime CreatedAt { get; set; }
+}