[feature] Add the link of this video in the documentation

[marcusgaspar]

Is your feature request related to a problem? Please describe.
No, but I believe the documentation should be improved.

Describe the solution you'd like
Add the link of this video in the home documentation of azurehpc project: https://www.youtube.com/watch?v=_Hugv386nsg&t=248s
This video lets much clearer how to start using azurehpc.

Describe alternatives you've considered
N/A

Additional context
Add any other context or screenshots about the feature request here.