Adding examples based on Jupyter notebooks so we can open them via Google Colab.

[yebai]

Let's add more examples in Jupyter notebooks format. Then

• We can run these notebooks on Github CI and feed the resulting markdown files to Documenter. This would replace the Literate workflow (eg, here).
• Add Google Colab links to these notebooks to the README file.

[yebai]

@THargreaves, feel free to chat with @shravanngoswamii if you need help with setting up

We can run these notebooks on Github CI and feed the resulting markdown files to Documenter.

[shravanngoswamii]

@THargreaves Let me know whatever help you require!