added todos

RelayServer/Endpoints/RtcEndpoints.cs

@@ -27,6 +27,7 @@ public static class RtcEndpoints
         app.MapPost("/api/rtc/answer", async (RtcAnswer request, RtcCallService rtcCallService) =>
         {
             await rtcCallService.WriteAnswerAsync(request.ChannelId, request.OfferUser, request.AnswerUser, request.Sdp);
+            //TODO: Add call to clients already in call that a new answer has been made with answer details
             return Results.Ok();
         });
 
@@ -45,6 +46,7 @@ public static class RtcEndpoints
                 request.SdpMLineIndex,
                 request.Direction
             );
+            //TODO: Add call to clients already in call that a new ICE candidate has been made with ICE candidate details
 
             return Results.Ok();
         });