feat: export Command struct from script.sol

Author: gnkz

src/script.sol

@@ -4,7 +4,7 @@ pragma solidity >=0.8.13 <0.9.0;
 import {console} from "./_modules/Console.sol";
 import {vulcan} from "./_modules/Vulcan.sol";
 import {accountsSafe as accounts, accounts as accountsUnsafe} from "./_modules/Accounts.sol";
-import {commands} from "./_modules/Commands.sol";
+import {commands, Command} from "./_modules/Commands.sol";
 import {ctxSafe as ctx, ctx as ctxUnsafe} from "./_modules/Context.sol";
 import {env} from "./_modules/Env.sol";
 import {events} from "./_modules/Events.sol";