Support linux version of MIH

mih_ui/lib/mih_services/mih_location_services.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:mzansi_innovation_hub/mih_services/mih_alert_services.dart';
@@ -13,6 +15,12 @@ class MIHLocationAPI {
   ///if user has blocked permission (denied or denied forver), user will get error pop up.
   ///if user has granted permission (while in use), function will return Position object.
   Future<Position?> getGPSPosition(BuildContext context) async {
+    bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
+    if (!serviceEnabled && Platform.isLinux) {
+      // Direct the user to their System Settings
+      MihAlertServices().locationPermissionAlert(context);
+      return null;
+    }
     print("Before checkPermission"); // Debug
     LocationPermission permission = await Geolocator.checkPermission();
     print("After checkPermission: $permission"); // Debug