feat: Revert homepage changes, fix Persian slug 404, and make various article and about us adjustments

- Removed the newly added city-focused section from the homepage.
- Fixed 404 error for Persian slugs in specialties and blog pages by implementing a decode helper.
- Removed the "مخصوص شهر" label from article headers.
- Linked article tags to their respective filter pages.
- Adjusted related content images to prevent distortion.
- Added a section in the "About Us" page for physician registration guidance.
- Updated the logo in the "About Us" header to the correct version.
- Added tests for the new functionality and ensured existing tests are updated accordingly.

components/home/index.js

@@ -3,7 +3,6 @@ import Image from "next/image";
 import SearchBar from "./search";
 import TextHeader from "./TextHeader";
 import FrequentSearches from "./FrequentSearches";
-import CityHighlights from "./CityHighlights";
 
 function HomePage() {
   return (
@@ -19,7 +18,6 @@ function HomePage() {
         <TextHeader />
         <SearchBar />
         <FrequentSearches />
-        <CityHighlights />
       </div>
     </div>
   );