Add new posts for Image Voice Memos, Initial VPS Setup on Debian, Local Webmention Avatars, Security Headers for Astro with Caddy, and Setting up Forgejo Actions Runner

- Created a new post on Image Voice Memos detailing a macOS app for browsing photos and recording voice memos with automatic transcription.
- Added a guide for Initial VPS Setup on Debian covering system updates, user creation, and SSH hardening.
- Introduced a post on caching webmention avatars locally at build time to enhance privacy and comply with CSP.
- Documented the implementation of security headers for an Astro site behind Caddy, focusing on GDPR compliance and CSP.
- Set up a Forgejo Actions runner for self-hosted CI/CD, detailing the installation and configuration process for automated deployments.

src/content/posts/en/2025/12/01/hello-world.md

@@ -0,0 +1,13 @@
+---
+title: 'Hallo, Welt!'
+description: Saying hello in the world of coding.
+pubDate: '2025-12-01T08:50:00+01:00'
+category: en/personal
+---
+
+> "Hello World"  
+> is basically just a way of saying hello in the world of coding.
+
+_You might ask why?_
+
+It's one of the first lines of code a new student learns, for example, to post a string containing the words "Hello World".