Add large data sets

[addejans]

There are currently 2 missing data sets:

• https://github.com/addejans/Data-Science-Projects/tree/master/machine-learning-projects/supervised/algorithm-discovery
• https://github.com/addejans/Data-Science-Projects/tree/master/machine-learning-projects/case-studies/naive-bayes/CreditCardFraudDetection