Description

• This will fix the browser query dead issue raised from tachyons-cli with create-react-app mentioned here BrowserslistError: Unknown browser query dead cli#22
• I have tested it on my forked tachyons-cli repo branch and it's working fine
• Also this repo is a working example for this fix!
• Once this PR reviewed and may be approved we can add the new release of tachyons-build-css in the tachyons-cli next release!
• Fixed linting issues in the tests