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/AppointmentCreatePage.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useMemo, useState } from 'react';
 import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
-import { useNavigate, useSearchParams } from 'react-router-dom';
+import { useNavigate, useSearchParams } from 'react-router';
 import { PlusIcon, ChevronRightIcon, MagnifyingGlassIcon } from '@heroicons/react/24/outline';
 import { toast } from 'sonner';
 import { api } from '../lib/api';