feat: Add token-based authorization to category deletion and enhance user registration with error handling and audit logging.

Backend/src/controllers/CategoriesController.ts

@@ -45,6 +45,6 @@ export class CategoriesAdminController {
     @Response('401', 'Invalid or expired token')
     public async deleteCategory(@Request() request: any, @Path() id: number): Promise<deleteCategoryResponse> {
         const token = request.headers.authorization?.replace('Bearer ', '') || '';
-        return await this.categoryService.deleteCategory(id);
+        return await this.categoryService.deleteCategory(token,id);
     }
 }