adding lunar lander notebook

Author: polanto

behavior/README.md

@@ -6,6 +6,10 @@ with an introduction to behavioral diversity, then look at novelty search and
 Quality Diversity algorithms. In the second section, we cover the MAP-Elites
 algorithm in depth. Finally, we look at coevolutionary algorithms.
 
+
+[Quality diversity notebook](https://github.com/d9w/evolution/blob/master/behavior/lunar_lander.ipynb)
+[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/icaros-usc/pyribs/blob/v0.7.1/tutorials/lunar_lander.ipynb)
+
 1. Behavior and Novelty
     * [slides](https://d9w.github.io/evolution/behavior/1_novelty.html)
     * [video](https://youtu.be/R08VyPGMKW8)
@@ -15,3 +19,4 @@ algorithm in depth. Finally, we look at coevolutionary algorithms.
 3. Coevolutionary Algorithms
     * [slides](https://d9w.github.io/evolution/behavior/3_coevo.html)
     * [video](https://youtu.be/W9fAjEcXsmY)
+