docs(auth): add platform filters for passwordless authentication section

Author: Ahmed Hamouda

src/pages/[platform]/build-a-backend/auth/set-up-auth/index.mdx

@@ -51,15 +51,19 @@ By default, your auth resource is scaffolded using `email` as the default login
 
 - Phone numbers
 - External providers (Google, Facebook, Amazon, or Sign in with Apple)
+<InlineFilter filters={['android', 'angular', 'javascript', 'nextjs', 'react', 'react-native', 'swift', 'vue']}>
 - [Passwordless authentication](/[platform]/build-a-backend/auth/concepts/passwordless/) (Email OTP, SMS OTP, or WebAuthn passkeys)
+</InlineFilter>
 
 <Callout info>
 
 **Note:** At a minimum you will need to pass a `loginWith` value to set up how your users sign in to your app. Signing in with email and password is configured by default if you do not provide any value.
 
 </Callout>
 
-## Enable passwordless authentication
+<InlineFilter filters={['android', 'angular', 'javascript', 'nextjs', 'react', 'react-native', 'swift', 'vue']}>
+
+### Enable passwordless authentication
 
 You can enable passwordless authentication methods to provide a more secure and user-friendly experience:
 
@@ -77,6 +81,8 @@ export const auth = defineAuth({
 
 [Learn more about passwordless authentication options](/[platform]/build-a-backend/auth/concepts/passwordless/).
 
+</InlineFilter>
+
 ## Deploy auth resource
 
 After you have chosen and defined your authentication resource, run the following command to create your resource in your personal cloud sandbox.