feat: lots of fixes

lib/global_location_store.dart

@@ -0,0 +1,27 @@
+
+
+import 'package:bloc/bloc.dart';
+import 'package:fast_immutable_collections/fast_immutable_collections.dart';
+import 'package:ot_viewer_app/owntracks_api.dart';
+
+class GlobalLocationStoreState {
+  final IMap<(String, String), Point> locations;
+
+  GlobalLocationStoreState({required this.locations});
+
+  @override
+  String toString() => 'GlobalLocationStoreState(locations: $locations)';
+}
+
+// Define the Cubit
+class GlobalLocationStoreCubit extends Cubit<GlobalLocationStoreState> {
+  GlobalLocationStoreCubit() : super(GlobalLocationStoreState(locations: IMap(const {})));
+
+  // Function to update the points
+  void updatePoint(String user, String device, Point point) {
+    // Create a new map with the updated point
+    final updatedLocations = state.locations.add((user, device), point);
+    // Emit the new state
+    emit(GlobalLocationStoreState(locations: updatedLocations));
+  }
+}