bin is unavailable on `buildCommand` when using `pnpm` as package manager

[JounQin]

https://ci.codesandbox.io/status/un-ts/domiso/pr/37/builds/449609

I haven to change to use yarn v1 for CodeSanbox CI

https://ci.codesandbox.io/status/un-ts/domiso/pr/37/builds/449610