[doc] List of public datasets one can use to try bonobo (or even not just try)

[hartym]

• https://github.com/caesar0301/awesome-public-datasets
• https://opendatainception.io/
• https://www.kaggle.com/datasets

[hydrosquall]

I'd recommend https://public.enigma.com as an option too - we're working on a dedicate python SDK, but in the meantime, there's a working connector for loading data via dataframe in the pandas-datareader project: https://github.com/pydata/pandas-datareader