Add list of features to README
Add list of features to README

hudochenkov/stylelint,evilebottnawi/stylelint,gucong3000/stylelint,gucong3000/stylelint,MadLittleMods/stylelint,stylelint/stylelint,teryaew/stylelint,gucong3000/stylelint,evilebottnawi/stylelint,heatwaveo8/stylelint,stylelint/stylelint,hudochenkov/stylelint,heatwaveo8/stylelint,m-allanson/stylelint,hudochenkov/stylelint,mahtd/stylelint,stylelint/stylelint,gaidarenko/stylelint,stylelint/stylelint,gaidarenko/stylelint,gaidarenko/stylelint,heatwaveo8/stylelint