docs: fix ui builder theme issue (#847)

docs/components/builder/index.tsx

@@ -29,7 +29,7 @@ import { optionsAtom } from "./store";
 import { useTheme } from "next-themes";
 import { ScrollArea } from "../ui/scroll-area";
 import { Button } from "../ui/button";
-
+import Link from "next/link";
 const frameworks = [
 	{
 		title: "Next.js",
@@ -265,7 +265,15 @@ export function Builder() {
 					<DialogTitle>Create Sign in Box</DialogTitle>
 					<DialogDescription>
 						Configure the sign in box to your liking and copy the code to your
-						application
+						application. For more advanced and iterative features you can use on{" "}
+						<Link
+							target="_blank"
+							className="underline underline-offset-4"
+							href="https://better-auth.farmui.com"
+						>
+							farmui
+						</Link>{" "}
+						.
 					</DialogDescription>
 				</DialogHeader>