feat: add extra opcodes

[tiero]

The Elements Taproot opcodes provide additional functionality to the Bitcoin Tapscript language, including:

1. Streaming SHA256 opcodes - For hashing data larger than 520 bytes
2. Transaction introspection opcodes - For examining transaction inputs, outputs, and metadata
3. 64-bit arithmetic opcodes - For performing arithmetic operations on 64-bit integers
4. Conversion opcodes - For converting between different numeric formats
5. Crypto opcodes - For advanced cryptographic operations

This covers Elements Tapscript functionality without the asset-specific features