add locations by search

lib/models/location_model.dart

@@ -0,0 +1,13 @@
+class LocationModel {
+  late double latitude;
+  late double longitude;
+  late String name;
+
+  LocationModel();
+
+  LocationModel.fromJson(Map<String, dynamic> json) {
+    name = json["display_name"];
+    latitude = double.parse(json["lat"]);
+    longitude = double.parse(json["lon"]);
+  }
+}