allow using a TokioCommandWrap for TokioChildProcess::new closes #243#245

jokemanfire merged 2 commits intomodelcontextprotocol:mainmodelcontextprotocol/rust-sdk:mainfrom

lucasfernog-crabnebula:fix/creation-flagslucasfernog-crabnebula/rust-sdk:fix/creation-flagsCopy head branch name to clipboard