update doc similarty notebook
update doc similarty notebook

smrjan/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server,SeldonIO/seldon-server,smrjan/seldon-server,SeldonIO/seldon-server