Add location permissions and implement real-time location updates on the map

pubspec.yaml

@@ -34,6 +34,7 @@ dependencies:
   shared_preferences: ^2.2.2
   path_provider: ^2.1.1
   bcrypt: ^1.1.3
+  location: ^5.0.0
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.