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

shared/_includes/base.njk

@@ -17,7 +17,6 @@
   <meta name="twitter:title" content="{{ title }}{% if 'moonweb' not in title and 'stefankoelle' not in title %} · moonweb.org{% endif %}">
   <meta name="twitter:description" content="{{ description }}">
   {% if ogImage %}<meta name="twitter:image" content="{{ site.url }}{{ ogImage }}">{% endif %}
-  <link rel="icon" href="/favicon.svg" type="image/svg+xml">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Lobster&display=swap" rel="stylesheet">
@@ -45,8 +44,8 @@
     "@context": "https://schema.org",
     "@type": "Person",
     "name": "Stefan Koelle",
-    "url": "https://hub.moonweb.org",
-    "image": "https://hub.moonweb.org/stefan-koelle-foto.jpg",
+    "url": "https://www.moonweb.org",
+    "image": "https://www.moonweb.org/stefan-koelle-foto.jpg",
     "jobTitle": "Senior Software Developer & Architect",
     "address": {
       "@type": "PostalAddress",
@@ -69,11 +68,11 @@
       <span class="site-title">{{ section }}.moonweb.org</span>
     </div>
     <nav class="site-switcher">
-      <a href="https://hub.moonweb.org">hub</a>
-      <a href="https://infra.moonweb.org">infra</a>
-      <a href="https://smarthome.moonweb.org">smarthome</a>
-      <a href="https://code.moonweb.org">code</a>
-      <a href="https://retro.moonweb.org">retro</a>
+      <a href="/">hub</a>
+      <a href="/infra/">infra</a>
+      <a href="/smarthome/">smarthome</a>
+      <a href="/code/">code</a>
+      <a href="/retro/">retro</a>
       <a href="https://stefankoelle.de">cv</a>
     </nav>
   </header>
@@ -84,8 +83,8 @@
   </main>
 
   <footer class="site-footer">
-    <p>Part of the <a href="https://hub.moonweb.org">moonweb.org</a> homelab.</p>
-    <p><a href="https://hub.moonweb.org/impressum/">Legal Notice &amp; Privacy Policy</a></p>
+    <p>Part of the <a href="/">moonweb.org</a> homelab.</p>
+    <p><a href="/impressum/">Legal Notice &amp; Privacy Policy</a></p>
   </footer>
 </body>
 </html>