Consolidate all moonweb sites into single Eleventy config

- Single eleventy.config.js at root with computed pathPrefix per section
- Accent colors inlined in base.njk (no per-site theme.css needed)
- Hub pages output at root via explicit permalinks
- Per-section sitemaps with tag-based collections
- .eleventyignore excludes stefankoelle, timecapsule, markdown files
- Deleted: 5 per-site configs, merge script
- Simplified: package.json (single build/dev commands)
- Simplified: GitHub Actions workflow (no matrix, no merge job)
- Fixed: parent links for sub-site detail pages

eleventy.config.js

@@ -0,0 +1,93 @@
+const SITES = {
+  hub: { pathPrefix: "" },
+  infra: { pathPrefix: "/infra" },
+  smarthome: { pathPrefix: "/smarthome" },
+  code: { pathPrefix: "/code" },
+  retro: { pathPrefix: "/retro" },
+};
+
+module.exports = function (eleventyConfig) {
+  eleventyConfig.addGlobalData("site", { url: "https://www.moonweb.org" });
+  eleventyConfig.addFilter("date", (d) => d.toISOString());
+
+  // Computed pathPrefix based on page's section front matter
+  eleventyConfig.addGlobalData("eleventyComputed", {
+    pathPrefix: (data) => SITES[data.section]?.pathPrefix ?? "",
+  });
+
+  // Per-section collections (for sitemaps)
+  for (const section of Object.keys(SITES)) {
+    eleventyConfig.addCollection(section, (collectionsApi) =>
+      collectionsApi.getFilteredByTag(section)
+    );
+  }
+
+  // --- Passthrough copies ---
+
+  // Root-level shared assets
+  eleventyConfig.addPassthroughCopy({ "shared/base.css": "shared-base.css" });
+  eleventyConfig.addPassthroughCopy({ "shared/favicon/hub.svg": "favicon.svg" });
+
+  // Per-section assets: favicon, robots.txt
+  for (const [section, cfg] of Object.entries(SITES)) {
+    const prefix = cfg.pathPrefix || ".";
+    eleventyConfig.addPassthroughCopy({
+      [`shared/favicon/${section}.svg`]: `${prefix}/favicon.svg`,
+    });
+    eleventyConfig.addPassthroughCopy({
+      [`${section}/robots.txt`]: `${prefix}/robots.txt`,
+    });
+  }
+
+  // Hub: profile photo
+  eleventyConfig.addPassthroughCopy({
+    "hub/stefan-koelle-foto.jpg": "stefan-koelle-foto.jpg",
+  });
+
+  // Hub: old www.moonweb.org redirects (.htm → .html)
+  const htmRedirects = [
+    "start",
+    "index2",
+    "index3",
+    "new",
+    "links",
+    "infos",
+    "hardware",
+    "users",
+  ];
+  for (const name of htmRedirects) {
+    eleventyConfig.addPassthroughCopy({
+      [`hub/${name}.htm`]: `${name}.html`,
+    });
+  }
+  const htmSubdirs = [
+    "beginning",
+    "projects",
+    "products",
+    "acoustics",
+    "location",
+    "background",
+    "partners",
+    "contact",
+    "network",
+    "stefan",
+    "legal-notice",
+  ];
+  for (const dir of htmSubdirs) {
+    eleventyConfig.addPassthroughCopy({
+      [`hub/${dir}/index.htm`]: `${dir}/index.html`,
+    });
+  }
+
+  return {
+    dir: {
+      input: ".",
+      includes: "shared/_includes",
+      output: "dist",
+    },
+    serverOptions: {
+      host: "0.0.0.0",
+      port: 8081,
+    },
+  };
+};