refactor: Migrate to monorepo

BREAKING CHANGE: Complete structure overhaul

services/docs/themes/hextra/assets/js/back-to-top.js

@@ -0,0 +1,22 @@
+// Back to top button
+
+document.addEventListener("DOMContentLoaded", function () {
+  const backToTop = document.querySelector("#backToTop");
+  if (backToTop) {
+    document.addEventListener("scroll", (e) => {
+      if (window.scrollY > 300) {
+        backToTop.classList.remove("hx:opacity-0");
+      } else {
+        backToTop.classList.add("hx:opacity-0");
+      }
+    });
+  }
+});
+
+function scrollUp() {
+  window.scroll({
+    top: 0,
+    left: 0,
+    behavior: "smooth",
+  });
+}