Add docs/javascripts/footer-home-link.js

new file for footer links

docs/javascripts/footer-home-link.js

@@ -0,0 +1,18 @@
+// Add a visible text link to the main site next to the copyright line.
+// The theme's extra.social icon already links to bitcoin-after.life, but
+// as an icon-only button (title tooltip, no visible text) it's easy to
+// miss — this makes the link readable as text too.
+(function () {
+  function decorate() {
+    var highlight = document.querySelector('.md-copyright__highlight');
+    if (!highlight || highlight.querySelector('.footer-home-link')) return;
+    highlight.appendChild(document.createTextNode(' — '));
+    var link = document.createElement('a');
+    link.href = 'https://bitcoin-after.life';
+    link.className = 'footer-home-link';
+    link.textContent = 'bitcoin-after.life';
+    highlight.appendChild(link);
+  }
+  if (document.readyState !== 'loading') decorate();
+  else document.addEventListener('DOMContentLoaded', decorate);
+})();