Add swiping documentations
Add swiping documentations

I kept it simple and just instructed the reader to replace 'mobile: scroll' with 'mobile: swipe'. Since the two have the exact same API, no sense in maintaining both sets of instructions.
appium/appium,appium/appium,appium/appium,Sw0rdstream/appium,appium/appium,appium/appium,appium/appium