Implement Device Attestation

[CalvinRodo]

Description

• [ ] Implement SafetNet Backend to support https://github.com/cds-snc/covid-alert-app/issues/1116
• [ ] Implement DeviceCheck Backend to support https://github.com/cds-snc/covid-alert-app/issues/1115

Potential Reference Material

• https://www.netguru.com/codestories/stay-safe-with-safetynet-attestation-api-in-android
• https://fluffy.es/devicecheck-tutorial/#serverside (edited)

Acceptance Criteria

• We can attest an iOS device
• We can attest an android device

[CalvinRodo]

Closing as no longer relevant.