[doc] Add a model zoo page (#4123)
[doc] Add a model zoo page (#4123)

* Create modelzoo.md

* Update and rename modelzoo.md to index.md

weleen/mxnet,Ldpe2G/mxnet,LinkHS/incubator-mxnet,sergeykolychev/mxnet,Northrend/mxnet,EvanzzzZ/mxnet,reminisce/mxnet,smolix/incubator-mxnet,rahul003/mxnet,madjam/mxnet,hesseltuinhof/mxnet,ShownX/incubator-mxnet,Prasad9/incubator-mxnet,jennyzhang0215/incubator-mxnet,nicklhy/mxnet,eric-haibin-lin/mxnet,apache/incubator-mxnet,szha/mxnet,precedenceguo/mxnet,indhub/mxnet,lxn2/mxnet,precedenceguo/mxnet,ptrendx/mxnet,weleen/mxnet,DickJC123/mxnet,wangyum/mxnet,crazy-cat/incubator-mxnet,zhreshold/mxnet,lxn2/mxnet,zhreshold/mxnet,piiswrong/mxnet,precedenceguo/mxnet,reminisce/mxnet,jermainewang/mxnet,jamesliu/mxnet,nicklhy/mxnet,jermainewang/mxnet,rishita/mxnet,navrasio/mxnet,formath/mxnet,smolix/incubator-mxnet,gautamkmr/incubator-mxnet,DR08/mxnet,szha/mxnet,luoyetx/mxnet,ForkedReposBak/mxnet,smolix/incubator-mxnet,LinkHS/incubator-mxnet,formath/mxnet,formath/mxnet,navrasio/mxnet,precedenceguo/mxnet,gautamkmr/incubator-mxnet,piiswrong/mxnet,sergeykolychev/mxnet,rahul003/mxnet,arank/mxnet,weleen/mxnet,sergeykolychev/mxnet,rishita/mxnet,wangyum/mxnet,ForkedReposBak/mxnet,Prasad9/incubator-mxnet,saurabh3949/mxnet,xcgoner/dist-mxnet,likelyzhao/mxnet,jennyzhang0215/incubator-mxnet,sergeykolychev/mxnet,apaleyes/mxnet,pluskid/mxnet,rahul003/mxnet,kkk669/mxnet,Northrend/mxnet,yuruofeifei/mxnet,indhub/mxnet,kevinthesun/mxnet,ykim362/mxnet,fullfanta/mxnet,hotpxl/mxnet,TuSimple/mxnet,precedenceguo/mxnet,tlby/mxnet,apaleyes/mxnet,coder-james/mxnet,Northrend/mxnet,leezu/mxnet,hotpxl/mxnet,leezu/mxnet,ShownX/incubator-mxnet,rishita/mxnet,danithaca/mxnet,TuSimple/mxnet,fullfanta/mxnet,thirdwing/mxnet,lxn2/mxnet,jermainewang/mxnet,Northrend/mxnet,eric-haibin-lin/mxnet,sxjscience/mxnet,Mega-DatA-Lab/mxnet,luoyetx/mxnet,LinkHS/incubator-mxnet,ykim362/mxnet,precedenceguo/mxnet,rahul003/mxnet,Ldpe2G/mxnet,crazy-cat/incubator-mxnet,LinkHS/incubator-mxnet,LinkHS/incubator-mxnet,stefanhenneking/mxnet,ptrendx/mxnet,kkk669/mxnet,TuSimple/mxnet,kevinthesun/mxnet,yajiedesign/mxnet,TuSimple/mxnet,larroy/mxnet,arikpoz/mxnet,saurabh3949/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,Ldpe2G/mxnet,kevinthesun/mxnet,CodingCat/mxnet,fullfanta/mxnet,Guneet-Dhillon/mxnet,coder-james/mxnet,LinkHS/incubator-mxnet,ShownX/incubator-mxnet,Mega-DatA-Lab/mxnet,TuSimple/mxnet,piiswrong/mxnet,zhreshold/mxnet,gautamkmr/incubator-mxnet,leezu/mxnet,yuruofeifei/mxnet,hesseltuinhof/mxnet,thirdwing/mxnet,yajiedesign/mxnet,crazy-cat/incubator-mxnet,yuruofeifei/mxnet,lxn2/mxnet,Prasad9/incubator-mxnet,larroy/mxnet,antoan2/incubator-mxnet,jamesliu/mxnet,jermainewang/mxnet,stefanhenneking/mxnet,weleen/mxnet,nicklhy/mxnet,EvanzzzZ/mxnet,EvanzzzZ/mxnet,Mega-DatA-Lab/mxnet,xcgoner/dist-mxnet,saurabh3949/mxnet,pluskid/mxnet,ShownX/incubator-mxnet,ShownX/incubator-mxnet,DR08/mxnet,DickJC123/mxnet,hotpxl/mxnet,tlby/mxnet,ykim362/mxnet,tornadomeet/mxnet,ptrendx/mxnet,yuruofeifei/mxnet,reminisce/mxnet,apache/incubator-mxnet,yuruofeifei/mxnet,wangyum/mxnet,rishita/mxnet,jiajiechen/mxnet,ZihengJiang/mxnet,antoan2/incubator-mxnet,madjam/mxnet,xcgoner/dist-mxnet,indhub/mxnet,arikpoz/mxnet,madjam/mxnet,leezu/mxnet,jiajiechen/mxnet,ptrendx/mxnet,luoyetx/mxnet,ZihengJiang/mxnet,Mega-DatA-Lab/mxnet,Ldpe2G/mxnet,coder-james/mxnet,pluskid/mxnet,ShownX/incubator-mxnet,likelyzhao/mxnet,Mega-DatA-Lab/mxnet,tlby/mxnet,hesseltuinhof/mxnet,tlby/mxnet,tlby/mxnet,indhub/mxnet,vikingMei/mxnet,fullfanta/mxnet,sergeykolychev/mxnet,hpi-xnor/BMXNet,precedenceguo/mxnet,pluskid/mxnet,dmlc/mxnet,CodingCat/mxnet,sergeykolychev/mxnet,weleen/mxnet,arank/mxnet,tornadomeet/mxnet,TuSimple/mxnet,antoan2/incubator-mxnet,DickJC123/mxnet,arikpoz/mxnet,navrasio/mxnet,arank/mxnet,yajiedesign/mxnet,ptrendx/mxnet,jermainewang/mxnet,leezu/mxnet,Mega-DatA-Lab/mxnet,thirdwing/mxnet,zhreshold/mxnet,jiajiechen/mxnet,jermainewang/mxnet,nicklhy/mxnet,tornadomeet/mxnet,piiswrong/mxnet,formath/mxnet,Mega-DatA-Lab/mxnet,jiajiechen/mxnet,solin319/incubator-mxnet,piiswrong/mxnet,Prasad9/incubator-mxnet,apaleyes/mxnet,Ldpe2G/mxnet,dmlc/mxnet,yajiedesign/mxnet,ZihengJiang/mxnet,Guneet-Dhillon/mxnet,vikingMei/mxnet,jamesliu/mxnet,solin319/incubator-mxnet,antoan2/incubator-mxnet,antoan2/incubator-mxnet,hesseltuinhof/mxnet,ptrendx/mxnet,jamesliu/mxnet,xcgoner/dist-mxnet,hpi-xnor/BMXNet,madjam/mxnet,crazy-cat/incubator-mxnet,precedenceguo/mxnet,Northrend/mxnet,rahul003/mxnet,EvanzzzZ/mxnet,navrasio/mxnet,vikingMei/mxnet,DR08/mxnet,ForkedReposBak/mxnet,stefanhenneking/mxnet,coder-james/mxnet,danithaca/mxnet,saurabh3949/mxnet,ptrendx/mxnet,ForkedReposBak/mxnet,DR08/mxnet,Northrend/mxnet,smolix/incubator-mxnet,precedenceguo/mxnet,xcgoner/dist-mxnet,leezu/mxnet,Guneet-Dhillon/mxnet,Guneet-Dhillon/mxnet,madjam/mxnet,mbaijal/incubator-mxnet,eric-haibin-lin/mxnet,danithaca/mxnet,LinkHS/incubator-mxnet,weleen/mxnet,solin319/incubator-mxnet,Prasad9/incubator-mxnet,thirdwing/mxnet,wangyum/mxnet,crazy-cat/incubator-mxnet,sxjscience/mxnet,luoyetx/mxnet,yuruofeifei/mxnet,CodingCat/mxnet,arikpoz/mxnet,mbaijal/incubator-mxnet,CodingCat/mxnet,likelyzhao/mxnet,mbaijal/incubator-mxnet,szha/mxnet,Guneet-Dhillon/mxnet,arank/mxnet,solin319/incubator-mxnet,saurabh3949/mxnet,antoan2/incubator-mxnet,rahul003/mxnet,navrasio/mxnet,indhub/mxnet,rishita/mxnet,sxjscience/mxnet,vikingMei/mxnet,hesseltuinhof/mxnet,Mega-DatA-Lab/mxnet,yajiedesign/mxnet,rahul003/mxnet,tornadomeet/mxnet,szha/mxnet,antoan2/incubator-mxnet,coder-james/mxnet,TuSimple/mxnet,saurabh3949/mxnet,tornadomeet/mxnet,danithaca/mxnet,jiajiechen/mxnet,hotpxl/mxnet,solin319/incubator-mxnet,luoyetx/mxnet,larroy/mxnet,kevinthesun/mxnet,danithaca/mxnet,navrasio/mxnet,Prasad9/incubator-mxnet,yajiedesign/mxnet,weleen/mxnet,saurabh3949/mxnet,hpi-xnor/BMXNet,apaleyes/mxnet,Guneet-Dhillon/mxnet,larroy/mxnet,hpi-xnor/BMXNet,thirdwing/mxnet,Prasad9/incubator-mxnet,yajiedesign/mxnet,dmlc/mxnet,stefanhenneking/mxnet,wangyum/mxnet,tornadomeet/mxnet,dmlc/mxnet,luoyetx/mxnet,eric-haibin-lin/mxnet,hpi-xnor/BMXNet,arank/mxnet,apaleyes/mxnet,szha/mxnet,EvanzzzZ/mxnet,ForkedReposBak/mxnet,ZihengJiang/mxnet,navrasio/mxnet,yajiedesign/mxnet,reminisce/mxnet,Northrend/mxnet,likelyzhao/mxnet,lxn2/mxnet,fullfanta/mxnet,hotpxl/mxnet,stefanhenneking/mxnet,jamesliu/mxnet,thirdwing/mxnet,ZihengJiang/mxnet,pluskid/mxnet,thirdwing/mxnet,xcgoner/dist-mxnet,indhub/mxnet,pluskid/mxnet,smolix/incubator-mxnet,piiswrong/mxnet,fullfanta/mxnet,zhreshold/mxnet,ShownX/incubator-mxnet,Ldpe2G/mxnet,indhub/mxnet,weleen/mxnet,larroy/mxnet,sxjscience/mxnet,larroy/mxnet,mbaijal/incubator-mxnet,zhreshold/mxnet,jennyzhang0215/incubator-mxnet,mbaijal/incubator-mxnet,jermainewang/mxnet,smolix/incubator-mxnet,gautamkmr/incubator-mxnet,arikpoz/mxnet,Guneet-Dhillon/mxnet,CodingCat/mxnet,vikingMei/mxnet,vikingMei/mxnet,likelyzhao/mxnet,solin319/incubator-mxnet,tornadomeet/mxnet,danithaca/mxnet,navrasio/mxnet,kkk669/mxnet,Prasad9/incubator-mxnet,kkk669/mxnet,lxn2/mxnet,madjam/mxnet,ForkedReposBak/mxnet,nicklhy/mxnet,arikpoz/mxnet,vikingMei/mxnet,larroy/mxnet,ykim362/mxnet,jiajiechen/mxnet,piiswrong/mxnet,fullfanta/mxnet,hotpxl/mxnet,LinkHS/incubator-mxnet,wangyum/mxnet,gautamkmr/incubator-mxnet,kevinthesun/mxnet,jiajiechen/mxnet,stefanhenneking/mxnet,crazy-cat/incubator-mxnet,yuruofeifei/mxnet,Northrend/mxnet,formath/mxnet,ykim362/mxnet,CodingCat/mxnet,madjam/mxnet,rishita/mxnet,piiswrong/mxnet,thirdwing/mxnet,DickJC123/mxnet,reminisce/mxnet,hotpxl/mxnet,leezu/mxnet,rahul003/mxnet,ForkedReposBak/mxnet,thirdwing/mxnet,smolix/incubator-mxnet,rahul003/mxnet,sxjscience/mxnet,danithaca/mxnet,DR08/mxnet,gautamkmr/incubator-mxnet,rishita/mxnet,CodingCat/mxnet,apache/incubator-mxnet,leezu/mxnet,szha/mxnet,coder-james/mxnet,CodingCat/mxnet,sergeykolychev/mxnet,larroy/mxnet,formath/mxnet,dmlc/mxnet,szha/mxnet,hotpxl/mxnet,dmlc/mxnet,sxjscience/mxnet,solin319/incubator-mxnet,ptrendx/mxnet,eric-haibin-lin/mxnet,jennyzhang0215/incubator-mxnet,zhreshold/mxnet,tlby/mxnet,xcgoner/dist-mxnet,larroy/mxnet,kevinthesun/mxnet,weleen/mxnet,ForkedReposBak/mxnet,ptrendx/mxnet,EvanzzzZ/mxnet,gautamkmr/incubator-mxnet,Northrend/mxnet,ptrendx/mxnet,TuSimple/mxnet,arank/mxnet,tlby/mxnet,coder-james/mxnet,arank/mxnet,vikingMei/mxnet,Ldpe2G/mxnet,pluskid/mxnet,smolix/incubator-mxnet,pluskid/mxnet,ZihengJiang/mxnet,ShownX/incubator-mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,wangyum/mxnet,formath/mxnet,likelyzhao/mxnet,mbaijal/incubator-mxnet,jiajiechen/mxnet,szha/mxnet,TuSimple/mxnet,jennyzhang0215/incubator-mxnet,gautamkmr/incubator-mxnet,sxjscience/mxnet,kevinthesun/mxnet,jamesliu/mxnet,stefanhenneking/mxnet,crazy-cat/incubator-mxnet,kevinthesun/mxnet,hpi-xnor/BMXNet,luoyetx/mxnet,luoyetx/mxnet,arikpoz/mxnet,rishita/mxnet,eric-haibin-lin/mxnet,danithaca/mxnet,likelyzhao/mxnet,fullfanta/mxnet,DR08/mxnet,sergeykolychev/mxnet,szha/mxnet,tornadomeet/mxnet,Guneet-Dhillon/mxnet,ykim362/mxnet,indhub/mxnet,gautamkmr/incubator-mxnet,jermainewang/mxnet,reminisce/mxnet,Guneet-Dhillon/mxnet,jamesliu/mxnet,DR08/mxnet,zhreshold/mxnet,DR08/mxnet,antoan2/incubator-mxnet,TuSimple/mxnet,tlby/mxnet,CodingCat/mxnet,hesseltuinhof/mxnet,EvanzzzZ/mxnet,jiajiechen/mxnet,eric-haibin-lin/mxnet,solin319/incubator-mxnet,smolix/incubator-mxnet,reminisce/mxnet,fullfanta/mxnet,lxn2/mxnet,yuruofeifei/mxnet,dmlc/mxnet,formath/mxnet,DR08/mxnet,EvanzzzZ/mxnet,jamesliu/mxnet,mbaijal/incubator-mxnet,madjam/mxnet,kkk669/mxnet,piiswrong/mxnet,sergeykolychev/mxnet,nicklhy/mxnet,ShownX/incubator-mxnet,stefanhenneking/mxnet,wangyum/mxnet,dmlc/mxnet,reminisce/mxnet,kevinthesun/mxnet,vikingMei/mxnet,nicklhy/mxnet,sxjscience/mxnet,hotpxl/mxnet,hpi-xnor/BMXNet,indhub/mxnet,likelyzhao/mxnet,rishita/mxnet,hesseltuinhof/mxnet,jamesliu/mxnet,hpi-xnor/BMXNet,luoyetx/mxnet,ykim362/mxnet,formath/mxnet,dmlc/mxnet,ykim362/mxnet,antoan2/incubator-mxnet,lxn2/mxnet,nicklhy/mxnet,jennyzhang0215/incubator-mxnet,hpi-xnor/BMXNet,tornadomeet/mxnet,madjam/mxnet,Prasad9/incubator-mxnet,wangyum/mxnet,kkk669/mxnet,saurabh3949/mxnet,ZihengJiang/mxnet,LinkHS/incubator-mxnet,sxjscience/mxnet,Ldpe2G/mxnet,tlby/mxnet,apaleyes/mxnet,leezu/mxnet,danithaca/mxnet,coder-james/mxnet,kkk669/mxnet,lxn2/mxnet,reminisce/mxnet,kkk669/mxnet,ZihengJiang/mxnet,stefanhenneking/mxnet,nicklhy/mxnet,eric-haibin-lin/mxnet,coder-james/mxnet,arikpoz/mxnet,mbaijal/incubator-mxnet,apache/incubator-mxnet,yuruofeifei/mxnet,crazy-cat/incubator-mxnet,xcgoner/dist-mxnet,jermainewang/mxnet,apaleyes/mxnet,ykim362/mxnet,jennyzhang0215/incubator-mxnet,tlby/mxnet,jennyzhang0215/incubator-mxnet,mbaijal/incubator-mxnet,Ldpe2G/mxnet,crazy-cat/incubator-mxnet,hesseltuinhof/mxnet,Mega-DatA-Lab/mxnet,ZihengJiang/mxnet,kkk669/mxnet,apaleyes/mxnet,navrasio/mxnet,likelyzhao/mxnet,solin319/incubator-mxnet,yajiedesign/mxnet,apaleyes/mxnet,hesseltuinhof/mxnet,pluskid/mxnet,arank/mxnet,jennyzhang0215/incubator-mxnet,EvanzzzZ/mxnet,saurabh3949/mxnet,arank/mxnet,xcgoner/dist-mxnet,arikpoz/mxnet