trezoa-keypair 3.1.1

Concrete implementation of a Trezoa `Signer`.
NOTICE - Trezoa Keypair

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                               TREZOA KEYPAIR
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This software is a derivative work based on Solana Keypair v3.0.1

ORIGINAL SOFTWARE:
  Name: solana-keypair
  Version: 3.0.1
  Source: https://crates.io/crates/solana-keypair
  Repository: https://github.com/anza-xyz/solana-sdk
  Copyright: © Anza Maintainers <maintainers@anza.xyz>
  License: Apache License 2.0

DERIVATIVE WORK:
  Name: trezoa-keypair
  Version: 3.1.1
  Repository: https://github.com/TRZLedgerFoundation/trezoa-keypair
  Copyright: © 2025 TRZ Ledger Foundation <foundation@trezoa.xyz>
  License: Apache License 2.0

MODIFICATIONS:
  - Updated package metadata (name, version, authors, repository)
  - Modified documentation references from "Solana" to "Trezoa Blockchain"
  - Updated library name and branding
  - Maintained full compatibility with original API

LICENSE:
This derivative work is licensed under the Apache License 2.0, the same license
as the original software. See the LICENSE file for the full license text.

ACKNOWLEDGMENTS:
We acknowledge and thank the Anza team and the Solana community for their
excellent work on the original solana-keypair crate that serves as the
foundation for this derivative work.

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