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/doctor/poster/PosterLight.js

@@ -2,7 +2,7 @@
 import { useEffect, useState } from "react";
 import DoctorAvatar from "@/app/component/DoctorAvatar";
 import QrImg from "./QrImg";
-import SiteLogo from "./SiteLogo";
+import SiteLogo from "@/components/common/SiteLogo";
 import { getStateInfoClient } from "@/lib/getStateInfoClient";
 import { posterSpecialtyLine, splitSpecialties } from "@/lib/specialtyDisplay";
 import { doctorTitle } from "@/helper";

components/doctor/poster/index.js

@@ -2,7 +2,7 @@
 import { useEffect, useState } from "react";
 import DoctorAvatar from "@/app/component/DoctorAvatar";
 import QrImg from "./QrImg";
-import SiteLogoBase from "./SiteLogo";
+import SiteLogoBase from "@/components/common/SiteLogo";
 import { getStateInfoClient } from "@/lib/getStateInfoClient";
 import { posterSpecialtyLine, splitSpecialties } from "@/lib/specialtyDisplay";
 import { doctorTitle } from "@/helper";