feat: enhance components and layouts

- fix: prevent code components from growing width during animation
- feat: enforce 100% width on browser frames (CodeWindow)
- feat: remove "Zurück" links project-wide from PageHeader
- feat: enable imgproxy face detection support for about page avatar

apps/web/app/blog/[slug]/page.tsx

@@ -44,7 +44,6 @@ export default async function BlogPostPage({
         variant="blog"
         title={post.title}
         description={post.description}
-        backLink={{ href: "/blog", label: "Zurück zum Blog" }}
         backgroundSymbol={slug.charAt(0).toUpperCase()}
       />