Format checklist.md (#3382)
Format checklist.md (#3382)


yangwenmai/tidb,spongedu/tidb,gaocegege/tidb,qiuyesuifeng/tidb,ngaut/tidb,Nify/tidb,c4pt0r/tidb,wusphinx/tidb,pingcap/tidb,pingcap/tidb,c4pt0r/tidb,zs634134578/tidb,yangwenmai/tidb,XuHuaiyu/tidb,c4pt0r/tidb,Cofyc/tidb,wusphinx/tidb,gaocegege/tidb,kyle-wang/tidb,8cbx/tidb,pingcap/tidb,cosmtrek/tidb,tiancaiamao/tidb,CodeRushing/tidb,pingcap/tidb,ngaut/tidb,ming-relax/tidb,coocood/tidb,zimulala/tidb,spongedu/tidb,yuanwhy/tidb,louishust/tidb,pingcap/tidb,kyle-wang/tidb,kyle-wang/tidb,ngaut/tidb,ming-relax/tidb,kyle-wang/tidb,tiancaiamao/tidb,EvilMcJerkface/tidb,ngaut/tidb,yuanwhy/tidb,XuHuaiyu/tidb,CodeRushing/tidb,ngaut/tidb,Nify/tidb,c4pt0r/tidb,mccxj/tidb,coocood/tidb,Cofyc/tidb,kyle-wang/tidb,qiuyesuifeng/tidb,zimulala/tidb,zs634134578/tidb,mccxj/tidb,8cbx/tidb,ngaut/tidb,c4pt0r/tidb,pingcap/tidb,c4pt0r/tidb,cosmtrek/tidb,kyle-wang/tidb,louishust/tidb,EvilMcJerkface/tidb