Summary: Windows 11 promotion added

Why It Matters: The website now promotes a specific product, Windows 11, with a focus on AI tools.

What Changed:

• Removed "Work smarter, not harder" section.
• Removed "Ob im Homeoffice, Büro oder von unterwegs – so geht's" text.
• Removed "Entdecken" link for the old section.
• Added "Windows 11" section.
• Added "Hol dir die geballte Ladung an KI-Tools & -Features" text for Windows 11.
• Added "Entdecken" link for Windows 11.
• Added new empty links at the end of the content.