docs: migrate UI docs (#13245)

* docs: create a new UI docs project (#13233)

* docs: create a new UI docs project

* fix installation errors

* docs: migrate UI docs content to new project (#13241)

* Fix content

* added examples for some components

* finish adding examples

* lint fix

* fix build errors

* delete empty files

* path fixes + refactor

* fix build error

www/apps/ui/providers/main-nav.tsx

@@ -0,0 +1,28 @@
+"use client"
+
+import {
+  getNavDropdownItems,
+  MainNavProvider as UiMainNavProvider,
+} from "docs-ui"
+import { useMemo } from "react"
+import { config } from "../config"
+
+type MainNavProviderProps = {
+  children?: React.ReactNode
+}
+
+export const MainNavProvider = ({ children }: MainNavProviderProps) => {
+  const navigationDropdownItems = useMemo(
+    () =>
+      getNavDropdownItems({
+        basePath: config.baseUrl,
+      }),
+    []
+  )
+
+  return (
+    <UiMainNavProvider navItems={navigationDropdownItems}>
+      {children}
+    </UiMainNavProvider>
+  )
+}