Add incoming call functionality

Add categories to AlertNotification

Add new alert notification screens bases

Add Incoming Call

Add Modal

Add event to AlertNotification

Co-authored-by: Robin Karlsson <robin.karlsson@protonmail.com>

src/displayapp/DisplayApp.cpp

@@ -128,6 +128,9 @@ void DisplayApp::Refresh() {
         }
       }
         break;
+      case Messages::NewCall:
+        modal->NewNotification(notificationManager, &systemTask.nimble().alertService());
+        break;
       case Messages::TouchEvent: {
         if (state != States::Running) break;
         auto gesture = OnTouchEvent();