🎉 Major Release: Legally-Recognizable DID:web + VC-JWT Toolkit

New Features:
✅ DID:web generation (ES256 P-256 + ES256K secp256k1)
✅ VC-JWT issuance and verification (W3C compliant)
✅ StatusList2021 credential revocation
✅ BSV anchor module (privacy-preserving)
✅ Complete CLI tooling

Standards Compliance:
- W3C Verifiable Credentials Data Model
- W3C DID Core (did:web method)
- RFC 7515 (JWS) and RFC 7519 (JWT)
- StatusList2021 specification