feat: adds mav2 webauthn signer

[linnall]

Pull Request Checklist

• Did you add new tests and confirm existing tests pass? (yarn test)
• Did you update relevant docs? (docs are found in the site folder, and guidelines for updating/adding docs can be found in the contribution guide)
• Do your commits follow the Conventional Commits standard?
• Does your PR title also follow the Conventional Commits standard?
• If you have a breaking change, is it correctly reflected in your commit message? (e.g. feat!: breaking change)
• Did you run lint (yarn lint:check) and fix any issues? (yarn lint:write)
• Did you follow the contribution guidelines?

---

PR-Codex overview

This PR introduces a WebAuthnValidationModule for encoding installation and uninstallation data, enhances the nativeSMASigner with a signatureType, and adds a webauthnMessageSigner function. It also defines a new SignatureType enum and updates the pack1271Signature function to accommodate it.

Detailed summary

• Added WebAuthnValidationModule with methods encodeOnInstallData and encodeOnUninstallData.
• Updated nativeSMASigner to include a signatureType property set to SignatureType.EOA.
• Implemented webauthnMessageSigner function for packing signatures.
• Introduced SignatureType enum with values EOA and NONE.
• Modified pack1271Signature to handle signatureType in the packing process.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
aa-sdk-site	❌ Failed (Inspect)			Jan 31, 2025 0:32am
aa-sdk-ui-demo	❌ Failed (Inspect)			Jan 31, 2025 0:32am

[graphite-app]

How to use the Graphite Merge Queue

Add the label graphite-merge-queue to this PR to add it to the merge queue.

You must have a Graphite account in order to use the merge queue. Sign up using this link.

An organization admin has enabled the Graphite Merge Queue in this repository.

Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue.