feat: add canonical URL handling and entity quality checks

- Implemented canonical URL strategies for city-specific domains and entities.
- Added helper functions for domain and city resolution.
- Created tests for canonical URL generation and domain resolution.
- Introduced entity quality checks for doctors and clinics to ensure meaningful content.
- Developed unique introductory texts for listing pages to avoid duplicate content.
- Established robots.txt policies for listing pages to manage indexing based on user filters.
- Enhanced specialty content with dynamic introductions and FAQs to improve SEO.

components/clinics/list/index.js

@@ -15,7 +15,11 @@ function List({
   selected,
   setFilteredClinics,
 }) {
-  const listPage = ["کلینیک ها", selected?.city?.name || ""];
+  const listPage = [
+    { name: "خانه", href: "/" },
+    { name: "کلینیک ها", href: "/clinics" },
+    { name: selected?.city?.name || "" },
+  ];
   const [loading, setLoading] = useState(false);
   const router = useRouter();