add notes for default browser
add notes for default browser

codewinds/base-react-min,chrisbuttery/base-react-min,jeffbski/base-react-min-win,jeffbski/base-react-min-win,chrisbuttery/base-react-min,jeffbski/base-react-min,codewinds/base-react-min,jeffbski/base-react-min