added goal feature

lib/model/Rogaining.dart

@@ -0,0 +1,47 @@
+
+class Rogaining {
+      int? rog_id;
+      int? course_id;
+      int? user_id;
+      int? location_id;
+      double? lat;
+      double? lon;
+      int? time_stamp;
+
+      Rogaining({
+        this.rog_id,
+        this.course_id,
+        this.user_id,
+        this.location_id,
+        this.lat,
+        this.lon,
+        this.time_stamp
+        });
+
+      factory Rogaining.fromMap(Map<String, dynamic> json) {
+
+        return Rogaining(
+          rog_id: json['rog_id'],
+          course_id: json['course_id'],
+          user_id: json['user_id'],
+          location_id: json['location_id'],
+          lat: json['lat'],
+          lon: json['lon'],
+          time_stamp: json['time_stamp']
+        );
+      }
+
+      Map<String, dynamic> toMap(){
+        return  {
+          'rog_id':rog_id,
+          'course_id': course_id,
+          'user_id': user_id,
+          'location_id': location_id,
+          'lat': lat,
+          'lon': lon,
+          'time_stamp': time_stamp       
+        };
+      }
+}
+
+