Struct Types and Enum for smart contract

[artbase]

https://docs.soliditylang.org/en/v0.8.16/structure-of-a-contract.html#struct-types https://docs.soliditylang.org/en/v0.8.16/types.html#structs https://docs.soliditylang.org/en/v0.8.16/types.html#enums