Introduces support for sign-in and sign-up using SIWF V2.
This update enables apps to onboard users with familiar login methods,
allowing users to authenticate with either their email or phone number,
bridging the experience for web2 users.
Implemented backend routes to support the SIWF V2 flow
Add a frontend button to navigate users to login with SIWF
Created a callback page view to display account creation
Introduces support for sign-in and sign-up using SIWF V2.
This update enables apps to onboard users with familiar login methods, allowing users to authenticate with either their email or phone number, bridging the experience for web2 users.
Closes #170