docs: redirect params in auth hooks

site/pages/react/react-hooks.mdx

@@ -33,13 +33,35 @@ export default function MyLoginPage() {
         value={email}
         onChange={(e) => setEmail(e.target.value)}
       />
-      <button onClick={() => authenticate({ type: "email", email })}>
+      <button
+        onClick={() => authenticate({ type: "email", email, emailMode: "otp" })}
+      >
         Login
       </button>
     </div>
   );
 }
-```
+
+// Then send the OTP
+
+export default function MyOTPInputPage() {
+  const { authenticate, isPending } = useAuthenticate();
+  const [otpCode, setOTPCode] = React.useState("");
+
+  return (
+    <div>
+      <input
+        value={otpCode}
+        onChange={(e) => setOTPCode(e.target.value)}
+      />
+      <button
+        onClick={() => authenticate({ type: "otp", otpCode });}
+      >
+        Submit
+      </button>
+    </div>
+  );
+}
 
 ### Social Login
 

site/pages/signer/authentication/email-magic-link.mdx

@@ -31,6 +31,16 @@ await signer.authenticate({
   email: "[email protected]",
 });
 
+// Instead of the above code, you can add some params to include in the email
+const redirectParams = new URLSearchParams();
+redirectParams.set("myParam", "someValue");
+signer.authenticate({
+  type: "email",
+  email: "[email protected]",
+  emailMode: "magicLink",
+  redirectParams,
+});
+
 // later once the user has clicked the link
 const url = new URL(window.location.href);
 const bundle = url.searchParams.get("bundle");