[Zig] Expand Address module features

[roninjin10]

Summary

Expand Address module in Zig to match TypeScript's comprehensive implementation (90+ files).

Missing Features

Checksum Variants

• ChecksumAddress type
• LowercaseAddress type
• UppercaseAddress type
• toChecksum with chain ID support (EIP-1191)

Batch Operations

• sortAddresses - Sort address array
• deduplicateAddresses - Remove duplicates

Contract Address Calculation

• calculateCreateAddress - CREATE opcode address
• calculateCreate2Address - CREATE2 opcode address

Validation

• Custom crypto provider support
• Stricter validation modes

Current State

Zig has 4 files: address.zig, address_c.zig, address.bench.zig, address.fuzz.zig

Note: Issue created by Claude AI assistant, not @roninjin10 or @fucory