update README code format
update README code format
weikipeng/HandyWidgets,datalink747/HandyWidgets,HILOLT/HandyWidgets,pranaypatel512/HandyWidgets,Learn-Android-app/HandyWidgets,mkodekar/HandyWidgets,yangqing0314/HandyWidgets,giolaoit/HandyWidgets,MyFavoriteFork/HandyWidgets,ZaneSummer/HandyWidgets,Piasy-Robot/HandyWidgets,Piasy/HandyWidgets