Merge pull request #4 from g4titanx/refactor/opcode-overhaul

fix: lint fmt

feat: restore UnifiedOpcode enum behind unified-opcodes feature

chore: update CI workflow, drop unified-opcodes feature

refactor!: replace per-fork enums with static OpCode(u8) table

doc: use valid profile link

feat: add serde optional feat

Merge pull request #3 from g4titanx/feat/gas-cost

chore: clean up

feat: init impl. gas/cost

chore: bump verdion

chore: update opcode

chore: version bump

chore: add missing opcodes

feat: impl. unified opcodes (#2)