Add cross-env pkg

[hongshaoyang]

Describe your changes

Add cross-env package for compatibility with Windows

Issue ticket number and link

Closes Issue #234.

Screenshots (if appropriate):

Checklist before requesting a review

• [x] I have performed a self-review of my code

[therizhao]

@all-contributors please add @hongshaoyang for code

[allcontributors[bot]]

@therizhao

I've put up a pull request to add @hongshaoyang! :tada: