refactor: Migrate to monorepo

BREAKING CHANGE: Complete structure overhaul

services/docs/themes/hextra/assets/css/components/sidebar.css

@@ -0,0 +1,21 @@
+@media (max-width: 48rem) {
+  .sidebar-container {
+    @apply hx:fixed hx:pt-[calc(var(--navbar-height))] hx:top-0 hx:w-full hx:bottom-0 hx:z-[15] hx:overscroll-contain hx:bg-white hx:dark:bg-dark;
+    transition: transform 0.4s cubic-bezier(0.52, 0.16, 0.04, 1);
+    will-change: transform, opacity;
+    contain: layout style;
+    backface-visibility: hidden;
+  }
+}
+
+.sidebar-container {
+  li > div {
+    @apply hx:h-0;
+  }
+  li.open > div {
+    @apply hx:h-auto hx:pt-1;
+  }
+  li.open > a > span > svg > path {
+    @apply hx:rotate-90;
+  }
+}