Chore: Add terms and privacy notice on sign up (#85)

This pr adds a notice to the sign up page, that by continuing, the user
agrees our terms and privacy policies.


<img width="435" alt="Screenshot 2025-06-27 at 9 03 54 PM"
src="https://github.com/user-attachments/assets/32831f60-e117-4612-a180-9c672bf751f5"
/>

Author: ben-fornefeld

src/app/(auth)/sign-up/page.tsx

@@ -198,6 +198,22 @@ export default function SignUp() {
         >
           Sign in
         </Link>
+        .
+      </p>
+      <p className="text-fg/40 mt-4 text-sm leading-6">
+        By signing up, you agree to our{' '}
+        <Link href="/terms" target="_blank" className="text-fg/60 font-medium">
+          Terms of Service
+        </Link>{' '}
+        and{' '}
+        <Link
+          href="/privacy"
+          target="_blank"
+          className="text-fg/60 font-medium"
+        >
+          Privacy Policy
+        </Link>
+        .
       </p>
 
       {message && <AuthFormMessage className="mt-4" message={message} />}