Update README.md

Author: gAldeia

README.md

@@ -5,3 +5,7 @@ Package for Interaction-Transformation Evolutionary Algorithm implementation (IT
 The Interaction-Transformation representation is a step towards obtaining simpler and more interpretable results, searching in the mathematical equations space by means of an evolutionary strategy.
 
 Together with ITEA for Classification and Regression, we provide a model-specific explainer based on the Partial Effects to help users get a better understanding of the resulting expressions.
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+## Documentation
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+Documentation is available [here](https://galdeia.github.io/itea-python/).