mimic google behavior with location icon button

lib/extensions/positionLatLngExtension.dart

@@ -0,0 +1,8 @@
+import 'package:geolocator/geolocator.dart';
+import 'package:latlong2/latlong.dart';
+
+extension LatLngPositionExtension on Position {
+  LatLng latlng() {
+    return LatLng(latitude, longitude);
+  }
+}