Consolidate all moonweb.org sites under www.moonweb.org

- Migrate timecapsule (old www.moonweb.org) into monorepo as Eleventy 2.x site
- Change all site URLs from subdomains to subdirectories under www.moonweb.org
- Replace Cloudflare Pages deployment with IONOS SFTP
- Update site-switcher, footer, and all internal links
- Add merge script for combining all sites into single deployment
- Update CI/CD workflow for IONOS SFTP deployment
- Update stefankoelle.de references to use new URLs
- Update AGENTS.md and README.md documentation

timecapsule/src/stefan/index.md

@@ -0,0 +1,26 @@
+---
+title: "The person"
+description: "Learn more about Stefan Kölle, including contact details, favorite radio stations, and electronic music preferences. Discover additional background information."
+section: stefan
+pageTitle: "The person"
+permalink: "/timecapsule/stefan/index.html"
+layout: layout.njk
+lastChanged: "5/1/2001"
+---
+
+![Stefan Koelle Munich](/timecapsule/assets/content/stefan-koelle.jpg)
+Stefan Kölle
+Neumarkter Str. 86c
+81673 München
+Germany
+
+phone: +49-89-20006547
+email: stefan.koelle@moonweb.org
+
+Favourite radio station: <a href="https://fm4.orf.at/" target="_blank">FM4</a>
+Favourite internet radio: <a href="https://somafm.com/" target="_blank">Soma FM</a>
+Favourite electronic band: <a href="https://www.autechre.ws" target="_blank">Autechre</a>
+
+## Links
+
+[More background information about myself](/timecapsule/background/)