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/src/utils/imgproxy.ts

@@ -58,7 +58,7 @@ export function getImgproxyUrl(
     width = 0,
     height = 0,
     resizing_type = "fit",
-    gravity = "sm",
+    gravity = "sm", // Default to smart gravity
     enlarge = false,
     extension = "",
   } = options;