presetup client for server api calls for webrtc calls

RelayClient/MainPage.xaml.cs

@@ -352,7 +352,22 @@ public partial class MainPage : ContentPage
             ViewSwapped.Text = "Swap to Message View";
         }
     }
-    
+
+    public void JoinRtcChannel()
+    {
+        //TODO: get bool value for if channel ID has an active call
+        //TODO: Join RTC using current channel ID
+    }
+
+    public void WriteRtcOffer(string json)
+    {
+        RTCOffer? offer = JsonSerializer.Deserialize<RTCOffer>(json);
+    }
+    private class RTCOffer
+    {
+        private string type { get; set; }
+        private string sdp { get; set; }
+    }
     private void OnSendMessageButtonClicked(object sender, EventArgs e)
     {
         hybridWebView.SendRawMessage($"Hello from C#!");