modify format of readme
modify format of readme

apavlo/peloton,seojungmin/peloton,wangziqi2016/peloton,seojungmin/peloton,yingjunwu/peloton,vittvolt/15721-peloton,vittvolt/peloton,eric-haibin-lin/peloton-1,AngLi-Leon/peloton,vittvolt/peloton,prashasthip/peloton,jessesleeping/iso_peloton,PauloAmora/peloton,wangziqi2016/peloton,AllisonWang/peloton,ShuxinLin/peloton,AngLi-Leon/peloton,malin1993ml/peloton,seojungmin/peloton,malin1993ml/peloton,vittvolt/peloton,AngLi-Leon/peloton,AllisonWang/peloton,cmu-db/peloton,jessesleeping/iso_peloton,AllisonWang/peloton,prashasthip/peloton,apavlo/peloton,vittvolt/peloton,apavlo/peloton,seojungmin/peloton,vittvolt/peloton,PauloAmora/peloton,jessesleeping/iso_peloton,phisiart/peloton-p3,vittvolt/peloton,ShuxinLin/peloton,haojin2/peloton,prashasthip/peloton,phisiart/peloton-p3,yingjunwu/peloton,haojin2/peloton,malin1993ml/peloton,cmu-db/peloton,AngLi-Leon/peloton,wangziqi2016/peloton,prashasthip/peloton,AngLi-Leon/peloton,phisiart/peloton-p3,ShuxinLin/peloton,PauloAmora/peloton,wangziqi2016/peloton,ShuxinLin/peloton,haojin2/peloton,vittvolt/15721-peloton,malin1993ml/peloton,eric-haibin-lin/peloton-1,PauloAmora/peloton,apavlo/peloton,cmu-db/peloton,ShuxinLin/peloton,yingjunwu/peloton,yingjunwu/peloton,ShuxinLin/peloton,apavlo/peloton,AllisonWang/peloton,vittvolt/15721-peloton,prashasthip/peloton,yingjunwu/peloton,PauloAmora/peloton,vittvolt/15721-peloton,prashasthip/peloton,apavlo/peloton,vittvolt/15721-peloton,cmu-db/peloton,jessesleeping/iso_peloton,haojin2/peloton,seojungmin/peloton,jessesleeping/iso_peloton,AllisonWang/peloton,phisiart/peloton-p3,seojungmin/peloton,vittvolt/15721-peloton,wangziqi2016/peloton,malin1993ml/peloton,wangziqi2016/peloton,cmu-db/peloton,malin1993ml/peloton,yingjunwu/peloton,cmu-db/peloton,AllisonWang/peloton,eric-haibin-lin/peloton-1,eric-haibin-lin/peloton-1,phisiart/peloton-p3,jessesleeping/iso_peloton,haojin2/peloton,haojin2/peloton,jessesleeping/iso_peloton,eric-haibin-lin/peloton-1,AngLi-Leon/peloton,eric-haibin-lin/peloton-1,PauloAmora/peloton,phisiart/peloton-p3