Add WebAuthn library and SignerWebAuthn #117
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ernestognw
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Implements WebAuthn authentication verification for smart contracts using P256 signatures as an alternative to traditional secp256k1 ECDSA. This library enables strong authentication through WebAuthn Level 2 standard compliance.
Includes 3 verification levels:
verifyMinimal: Essential cryptographic checksverify: Standard verification with user presenceverifyStrict: Enhanced security with user verification and backup state checks