Update documentation
Update documentation

kkleokrish/admob-google-cordova-clean,kkleokrish/admob-google-cordova-clean,miqmago/admob-google-cordova,ditonjok/admob-google-cordova,ditonjok/admob-google-cordova,miqmago/admob-google-cordova,appfeel/admob-google-cordova,appfeel/admob-google-cordova,QuantumRand/admob-google-cordova,QuantumRand/admob-google-cordova