feat: add product management features and integrate role selection

- Added PRODUCTS_ROUTES to app routing.
- Removed roles.const.ts and related references to central-auth-roles.
- Updated login component to remove role selection logic.
- Integrated ToastService for success notifications in customer, inventory, product brand, product category, supplier, and user forms.
- Implemented product and category selection fields in product form.
- Created reusable select components for product brands and categories.
- Enhanced user form with password validation and role selection.
- Established roles service for fetching roles from the API.

src/app/modules/stores/views/list.component.ts

@@ -24,7 +24,6 @@ export class StoresComponent {
     { field: 'isActive', header: 'فعال' },
     { field: 'createdAt', header: 'تاریخ ایجاد' },
     { field: 'updatedAt', header: 'تاریخ به‌روزرسانی' },
-    { field: 'actions' },
   ] as IColumn[];
 
   loading = signal(false);