Update downloadblob.sh

downloadblob.sh

@@ -1,5 +1,11 @@
 #!/bin/bash
 
+#This file is to download pretrained model file and associate synset.txt file. It is assumed that these two files are already in a blob
+#container, if you want to use a pretrained image classification model and associated synset file, you can download them from the links below
+# and put them in storage container
+# wget http://data.dmlc.ml/mxnet/models/imagenet/synset.txt
+# wget https://www.cntk.ai/resnet/ResNet_152.model
+
 # Downloading Azure CLI on the VSTS build agent machine
 apt-get update -y && apt-get install -y python libssl-dev libffi-dev python-dev build-essential
 curl -L https://azurecliprod.blob.core.windows.net/install.py -o install.py