Create a notebook or a readme.md on how to use a personal email address to create a DBS workspace and how to work in the workspace

[yulinservian]

This doc needs to show:
What is the link to register for a free DBS workspace
The screenshots of steps taken.
Once they have an workspace, how do they download the python notebooks from this repo and import to their workspace
How to create a XS size cluster with auto pause set as 10 minutes to minimize the cost