feat: add BlogBodySanitizer for HTML sanitization on article save

- Implemented BlogBodySanitizer to clean HTML content before saving articles, ensuring security against XSS attacks.
- Added tests for BlogBodySanitizer to verify that unsafe tags and attributes are stripped from the content.
- Introduced ApiLeastPrivilegeTest to ensure that unauthorized users cannot access sensitive API routes, maintaining strict access control.

assets/admin/pages/ResourceDetailPage.test.tsx

@@ -10,7 +10,7 @@ vi.mock('../lib/api', () => ({
 vi.mock('sonner', () => ({ toast: { success: vi.fn(), error: vi.fn() } }));
 vi.mock('../hooks/usePermissions', () => ({ usePermissions: () => ({ can: () => true }) }));
 
-import { Routes, Route } from 'react-router-dom';
+import { Routes, Route } from 'react-router';
 import { api } from '../lib/api';
 import ResourceDetailPage from './ResourceDetailPage';