Parameter loading/saving with TOML

[Sharad Chitlangia]

Docs do not render code.
https://genrl.readthedocs.io/en/latest/usage/tutorials/Saving%20and%20loading.html

[Abhimanyu Sai Bahree]

Need some more details

1. What is the code you are trying to render.
2. How do you update the text in the docs link given above.

[Sharad Chitlangia]

The code can be found in this PR If you look carefully, the code does not get rendered due to formatting errors.