x402 0.2.0

Unified package for the x402 protocol with support for multiple blockchains.

0.2.0

• Version bump to synchronize with core and blockchain-specific packages.
• Updated internal dependencies to version 0.2.0.

0.1.0

• Initial release of the main x402 client-side package.
• Provides a unified entry point for both EVM and SVM implementations.
• Features X402Client for automated 402 Payment Required handshake and retry logic.
• Exports core protocol logic and multi-chain signers (EVM and SVM).