Add new blog post "Ein alter Laptop, Linux und Pi-hole: Digitale
Medienkompetenz für Kinder" in German and English, covering setting up
a child's first computer with Ubuntu and Pi-hole, open source philosophy,
and the balance between protection and freedom.
Also adds i18n support for localized month names in date formatting
across blog templates.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
