add clerk

app/(auth)/sign-up/[[...sign-up]]/page.tsx

@@ -0,0 +1,17 @@
+import { SignUp } from "@clerk/nextjs"
+import { dark } from "@clerk/themes"
+
+export default function Page() {
+  return (
+    <SignUp
+      appearance={{
+        baseTheme: dark,
+        elements: {
+          footerActionLink: {
+            color: "#A3A3A3",
+          },
+        },
+      }}
+    />
+  )
+}