docs(ui,docs): added upgrade guides link to UI docs (#5240)

* added medusa ui index page

* remove console

www/apps/docs/src/utils/exclude-sidebar-results.js

@@ -0,0 +1,17 @@
+function excludeSidebarResults(sidebarItems, categoryItem) {
+  const results = []
+  sidebarItems.forEach((item) => {
+    if (item.type === "category") {
+      results.push({
+        ...item,
+        items: excludeSidebarResults(item.items, categoryItem),
+      })
+    } else if (!item.customProps?.exclude_from_auto_sidebar) {
+      return results.push(item)
+    }
+  })
+
+  return results
+}
+
+module.exports = excludeSidebarResults