Choose an example output format that is Python friendly

[tgadam]

Once a user gets fermentation into FSML then we want to be able to convert FSML to a Python (pandas) optimized format. One thought is Feather since it is optimized for Python, R, and Julia but it's not clear if that's the best first example.

https://pandas.pydata.org/docs/user_guide/io.html

Depends on #88

[juanneilson]

TOML is being used a lot now in Python and is very versatile and human-readable.

[tgadam]

I think one of the topics we need to focus on I think is performance and being data science friendly. https://towardsdatascience.com/big-data-file-formats-explained-dfaabe9e8b33

[tgadam]

Reviewing applicable formats is still in progress.

[tgadam]

@AndresPerezTesela indicated that we should first either generate or find a large dataset to try out with various output formats.