feat: update versions

feat(3.1.5): add spotmain

feat(3.1.5): add spotmain

feat(3.1.4)

feat: 3.1.3

feat(readme): modify version 3.1.1

feat(abi): import abi json

feat(3.0.8): update version

feat(abi): add uniswap abi

feat(version): update 3.0.6