add quantization example to readme (#14186)
add quantization example to readme (#14186)


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