Wallet Attestation request flow with OAuth 2.0 nonce endpoint

[peppelinux]

The steps 6 and 7 should be made according to
https://github.com/peppelinux/draft-demarco-nonce-endpoint

@rohe do you have any claims or requirements in the http request according to your analysis?

[grausof]

I am closing this issue given that the steps you mentioned concern obtaining a nonce from the Integrity Attestation Services made available by Apple and Google, therefore the endpoints will be the custom ones made available by the two manufacturers. How this will work will be defined here