docs: move edit date to footer (#11667)

* docs: move edit date to footer

* fix build error

www/apps/book/components/Footer/index.tsx

@@ -0,0 +1,17 @@
+"use client"
+
+import { Footer as UiFooter } from "docs-ui"
+import Feedback from "../Feedback"
+import EditButton from "../EditButton"
+
+const Footer = () => {
+  return (
+    <UiFooter
+      showPagination={true}
+      feedbackComponent={<Feedback className="my-2" />}
+      editComponent={<EditButton />}
+    />
+  )
+}
+
+export default Footer