Added the package mlfinalb from Hudson & Thames.
This package is focused on the graduate textbook, Advances in Financial Machine Learning by Marcos Lopez de Prado and includes implementations of the various techniques such as:
* Tick, Volume, Dollar bars
* ETF Trick
* Imbalance and Run bars
* Meta-Labeling
* Triple Barrier Labeling
* Fractional Differentiation
* Sample Weights
