<SignIn />
Renders a sign-in component with customizable options.

For more information, please refer to the custom pages guide.
Props
fullPage
(optional):boolean
- If true, renders the sign-in page in full-page mode.automaticRedirect
(optional):boolean
- If true, redirect to afterSignIn/afterSignUp URL when user is already signed in without showing the ‘You are signed in’ message.extraInfo
(optional):React.ReactNode
- Additional content to be displayed on the sign-in page.firstTab
(optional):'magic-link' | 'password'
- Determines which tab is initially active. Defaults to ‘magic-link’ if not specified.