Add blog functionality to the Hugo site:
- Create blog content structure (content/blog/)
- Add blog list and single templates (layouts/blog/)
- Add blog navigation to menu
- Publish first article: "KI Generierte Website - ein Praxisbeispiel"
- Support multilingual structure (German/English)
- Add code block styling for blog posts
The blog section is now accessible at /de/blog/ and /en/blog/
with proper navigation, responsive design, and semantic HTML.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>