Colab notebooks for the tutorials

[catastropiyush]

Hello everyone,
I learned about TorchSim recently. Following the tutorials currently mentioned on the website, I ran everything on Google Colab. And as discussed in Slack will try to add other tutorials like that of ASE and attach relevant Google Colab notebooks for quick startup for beginners.
Hope it will be helpful.

https://colab.research.google.com/drive/1GJwNABBa9O2sO4Ym7G4EnJIeHsjN_Q-O?usp=sharing

Thank you for your time,
Piyush

[thomasloux]

Really nice contribution. This should be added in the docs for easier access.