Added TODOs and fixed some typings

RelayShared/Rtc/RtcModels.cs

@@ -103,7 +103,7 @@ public sealed class RtcLeaveRequest
 
 public sealed class RtcSessionDescription
 {
-    public SignalType Type { get; set; }
+    public string Type { get; set; } = string.Empty;
     public string Sdp { get; set; } = string.Empty;
 }
 
@@ -121,8 +121,8 @@ public sealed class RtcAnswer
     public RtcSessionDescription SessionDescription { get; set; } = new();
 }
 
-public class RtcIceCandidate : Record
-{
+public class RtcIceCandidate : Record //TODO: Swap names with DBIceCandidate. 
+{                                     //TODO: Update all Record extensions to be DB*, all communication objects to be Rtc*
     public required string ChannelId { get; set; }
     public required string Username { get; set; }
     public required string Candidate { get; set; }