Command line interface

1. Currently CLI can be used to get information about a dataset using a curl command to the server side, however this is not a secure implementation and authorisation needs to be added before allowing a get request

2. The github repository is packaged with a python script used to abstract the post curl command used to register a new dataset from the command line, it is found in the client folder. This script will ask for user inputs on the details of the dataset and then wrap it with the required headers before sending it to the server side; and create a readme in the same directory as the python script