Update badges in README
Update badges in README

yangchenghu/CotEditor,yangchenghu/CotEditor,uchuugaka/CotEditor,uchuugaka/CotEditor,onevcat/CotEditor,uchuugaka/CotEditor,yangchenghu/CotEditor,uchuugaka/CotEditor,uchuugaka/CotEditor,onevcat/CotEditor,onevcat/CotEditor,uchuugaka/CotEditor,yangchenghu/CotEditor,yangchenghu/CotEditor,uchuugaka/CotEditor,uchuugaka/CotEditor