docs(docs): restructure documentation paths and add new introduction file

docs/schedule/meta.ts

@@ -0,0 +1,9 @@
+import { defineMeta } from "blume";
+
+export default defineMeta({
+  title: "Schedule",
+  order: 1,
+  collapsed: true,
+  display: "group",
+  icon: "calendar",
+});