Fixes: 1) Add missing Gateway import in forms and admin modules; 2) Correct maximum lengths for currency fields in the Gateway model;
Extra: 1) Refactor README for clarity and conciseness; 2) Adjust formatting in `core/sitemaps.py` for readability.
Fixes: 1) Correct router naming in `blog/urls.py` from `payment_router` to `blog_router` for clarity;
Extra: 1) Refactor obsolete `StaticPagesSitemap.PAGES` structure with a dynamic `items` method; 2) Create placeholder 404 URLs for non-existent slugs; 3) Update and simplify docstring for `Post` class, replacing inline details with a concise translation-aware docstring.
Fixes: 1) Correct `attributes` definition in `da_DK` translations; 2) Add missing localization details in `zh_Hans`;
Extra: Update project version metadata from 2.9.3 to 3.0.0.
Fixes: 1) Replace usage of `slugify` with direct access to `obj.slug` in sitemap location methods;
Extra: 1) Remove unused `slugify` import from `core/sitemaps.py`.
Removed the UUID component from product URLs in the sitemap to enhance readability and improve user experience. This change ensures cleaner, more user-friendly links without impacting functionality.
Introduce a unique, auto-generated slug field to the Product model, populated from category, brand, and name. Update core filters, serializers, sitemaps, and GraphQL object types to support the new slug functionality. Also, enforce HTTP-only cookies for session, CSRF, and language for improved security.
