Update CONTRIBUTORS.md (#12996)
Update CONTRIBUTORS.md (#12996)

I have made two minor contributions with pull requests so far. I forgot to add my name here earlier.
ptrendx/mxnet,szha/mxnet,apache/incubator-mxnet,sxjscience/mxnet,zhreshold/mxnet,dmlc/mxnet,yajiedesign/mxnet,larroy/mxnet,yajiedesign/mxnet,eric-haibin-lin/mxnet,tlby/mxnet,leezu/mxnet,zhreshold/mxnet,larroy/mxnet,ptrendx/mxnet,reminisce/mxnet,larroy/mxnet,reminisce/mxnet,reminisce/mxnet,ptrendx/mxnet,eric-haibin-lin/mxnet,szha/mxnet,apache/incubator-mxnet,yajiedesign/mxnet,zhreshold/mxnet,leezu/mxnet,szha/mxnet,ptrendx/mxnet,zhreshold/mxnet,zhreshold/mxnet,eric-haibin-lin/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,tlby/mxnet,ForkedReposBak/mxnet,larroy/mxnet,reminisce/mxnet,dmlc/mxnet,sxjscience/mxnet,dmlc/mxnet,DickJC123/mxnet,reminisce/mxnet,szha/mxnet,ForkedReposBak/mxnet,leezu/mxnet,DickJC123/mxnet,tlby/mxnet,larroy/mxnet,ptrendx/mxnet,tlby/mxnet,DickJC123/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,leezu/mxnet,eric-haibin-lin/mxnet,ptrendx/mxnet,leezu/mxnet,eric-haibin-lin/mxnet,szha/mxnet,leezu/mxnet,zhreshold/mxnet,ptrendx/mxnet,leezu/mxnet,szha/mxnet,szha/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,yajiedesign/mxnet,tlby/mxnet,tlby/mxnet,tlby/mxnet,ptrendx/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,dmlc/mxnet,reminisce/mxnet,apache/incubator-mxnet,leezu/mxnet,yajiedesign/mxnet,ForkedReposBak/mxnet,zhreshold/mxnet,apache/incubator-mxnet,dmlc/mxnet,yajiedesign/mxnet,ptrendx/mxnet,tlby/mxnet,dmlc/mxnet,reminisce/mxnet,sxjscience/mxnet,szha/mxnet,reminisce/mxnet,reminisce/mxnet,leezu/mxnet,ForkedReposBak/mxnet,larroy/mxnet,DickJC123/mxnet,sxjscience/mxnet,larroy/mxnet,yajiedesign/mxnet,sxjscience/mxnet,reminisce/mxnet,sxjscience/mxnet,tlby/mxnet,ptrendx/mxnet,ForkedReposBak/mxnet,ForkedReposBak/mxnet,dmlc/mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,dmlc/mxnet,larroy/mxnet,dmlc/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,zhreshold/mxnet,yajiedesign/mxnet,szha/mxnet,larroy/mxnet