Add more documentation in readme
Add more documentation in readme

mardiros/pyshop,chris-allan/pyshop,nexiles/pyshop,quantifiedcode-bot/pyshop,last-g/pyshop,quantifiedcode-bot/pyshop,last-g/pyshop,mardiros/pyshop,quantifiedcode-bot/pyshop,chris-allan/pyshop,EvaSDK/pyshop,nexiles/pyshop,chris-allan/pyshop,mardiros/pyshop,last-g/pyshop,EvaSDK/pyshop,EvaSDK/pyshop,nexiles/pyshop