[Example]update NER example readme on module prediction (#13184)
[Example]update NER example readme on module prediction (#13184)

* update readme on module prediction

* fix typo

* update url

* improve grammar

* update link

reminisce/mxnet,ptrendx/mxnet,reminisce/mxnet,ptrendx/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,dmlc/mxnet,leezu/mxnet,sxjscience/mxnet,leezu/mxnet,sxjscience/mxnet,DickJC123/mxnet,ForkedReposBak/mxnet,zhreshold/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,zhreshold/mxnet,yajiedesign/mxnet,reminisce/mxnet,dmlc/mxnet,ptrendx/mxnet,leezu/mxnet,tlby/mxnet,apache/incubator-mxnet,szha/mxnet,eric-haibin-lin/mxnet,eric-haibin-lin/mxnet,tlby/mxnet,ptrendx/mxnet,dmlc/mxnet,reminisce/mxnet,dmlc/mxnet,dmlc/mxnet,eric-haibin-lin/mxnet,dmlc/mxnet,szha/mxnet,ForkedReposBak/mxnet,apache/incubator-mxnet,ptrendx/mxnet,yajiedesign/mxnet,sxjscience/mxnet,tlby/mxnet,larroy/mxnet,leezu/mxnet,tlby/mxnet,yajiedesign/mxnet,ForkedReposBak/mxnet,larroy/mxnet,tlby/mxnet,szha/mxnet,szha/mxnet,leezu/mxnet,larroy/mxnet,ForkedReposBak/mxnet,zhreshold/mxnet,sxjscience/mxnet,ptrendx/mxnet,DickJC123/mxnet,szha/mxnet,yajiedesign/mxnet,larroy/mxnet,szha/mxnet,yajiedesign/mxnet,ForkedReposBak/mxnet,tlby/mxnet,sxjscience/mxnet,reminisce/mxnet,szha/mxnet,larroy/mxnet,szha/mxnet,yajiedesign/mxnet,leezu/mxnet,reminisce/mxnet,yajiedesign/mxnet,tlby/mxnet,sxjscience/mxnet,ForkedReposBak/mxnet,tlby/mxnet,zhreshold/mxnet,reminisce/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,ptrendx/mxnet,DickJC123/mxnet,sxjscience/mxnet,dmlc/mxnet,sxjscience/mxnet,larroy/mxnet,larroy/mxnet,zhreshold/mxnet,larroy/mxnet,tlby/mxnet,zhreshold/mxnet,leezu/mxnet,larroy/mxnet,zhreshold/mxnet,ptrendx/mxnet,apache/incubator-mxnet,sxjscience/mxnet,ForkedReposBak/mxnet,eric-haibin-lin/mxnet,eric-haibin-lin/mxnet,zhreshold/mxnet,szha/mxnet,apache/incubator-mxnet,dmlc/mxnet,dmlc/mxnet,leezu/mxnet,DickJC123/mxnet,leezu/mxnet,ptrendx/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,ptrendx/mxnet,zhreshold/mxnet