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/eleventy.config.js

@@ -0,0 +1,38 @@
+const markdownIt = require("markdown-it");
+
+const md = new markdownIt({ html: true, breaks: true });
+
+module.exports = function (eleventyConfig) {
+  eleventyConfig.addPassthroughCopy({ "src/assets": "/timecapsule/assets" });
+  eleventyConfig.addPassthroughCopy({ "src/.htaccess": "/timecapsule/.htaccess" });
+
+  eleventyConfig.setLibrary("md", md);
+
+  eleventyConfig.addFilter("toIsoDate", function(dateStr) {
+    var parts = String(dateStr).split("/");
+    if (parts.length === 3) {
+      var m = parts[0].padStart(2, "0");
+      var d = parts[1].padStart(2, "0");
+      var y = parts[2].padStart(4, "0");
+      return y + "-" + m + "-" + d;
+    }
+    return dateStr;
+  });
+
+  eleventyConfig.addPairedShortcode("pseudonymBox", function (content, title) {
+    const body = md.render(content || "");
+    return `<p align="right">
+<table border="0" cellspacing="1" cellpadding="3" width="350" bgcolor="#555544" class="pseudonym-box">
+<tr><td><font color="#CCAA66"><b>${title}</b></font></td></tr>
+<tr><td bgcolor="#FFFFFF">${body}</td></tr>
+</table>
+</p>`;
+  });
+
+  return {
+    dir: { input: "src", includes: "_includes", data: "_data", output: "_site" },
+    markdownTemplateEngine: "njk",
+    htmlTemplateEngine: "njk",
+    dataTemplateEngine: "njk",
+  };
+};