feat(storefront): update FAQ and legal documentation

- Added new FAQ sections for account security, ordering and checkout, returns, shipping, and contact information.
- Introduced legal documents including privacy policy, terms of service, data protection, and general terms and conditions.
- Updated package dependencies to include gray-matter and remark-gfm for enhanced markdown support.

apps/storefront/src/components/layout/header/desktop/DesktopHeader.tsx

@@ -1,11 +1,9 @@
-import { TopUtilityBar } from "./TopUtilityBar";
 import { CoreBrandBar } from "./CoreBrandBar";
 import { BottomNav } from "./BottomNav";
 
 export function DesktopHeader() {
   return (
     <header className="sticky top-0 z-50 w-full shadow-sm">
-      <TopUtilityBar />
       <CoreBrandBar />
       <BottomNav />
     </header>