Introduce App Attest

[cpholguera]

Introduce App Attest in https://github.com/OWASP/owasp-mastg/blob/master/Document/0x06a-Platform-Overview.md

App Attest allows your app to attach a hardware-backed assertion as a part of the request. Your server can use assertion to verify the request came from your genuine app, on a genuine Apple device.

https://developer.apple.com/videos/play/wwdc2021/10244/

https://developer.apple.com/documentation/devicecheck/assessing_fraud_risk

https://developer.apple.com/documentation/bundleresources/entitlements/com_apple_developer_devicecheck_appattest-environment

https://developer.apple.com/documentation/devicecheck/validating_apps_that_connect_to_your_server

[karolpiateknet]

Hey, I would like to handle this one :)

[cpholguera]

Thanks @karolpiateknet, just assigned to you!