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/users/models/io.d.ts

@@ -1,9 +1,11 @@
+import { IRoleResponse } from '@/shared/catalog/roles';
+
 export interface IUserRawResponse {
   mobileNumber: string;
   firstName: string;
   lastName: string;
   id: number;
-  roleId: number;
+  role: IRoleResponse;
 }
 export interface IUserResponse extends IUserRawResponse {}