Merge pull request #154 from adaptive-intelligent-robotics/feat/mels

feat(algo): Add MAP-Elites Low-Spread (#152)

README.md

@@ -134,6 +134,7 @@ QDax currently supports the following algorithms:
 | [Multi-Objective MAP-Elites (MOME)](https://arxiv.org/abs/2202.03057)                                                         | [![Open All Collab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/adaptive-intelligent-robotics/QDax/blob/main/examples/mome.ipynb)       |
 | [MAP-Elites Evolution Strategies (MEES)](https://dl.acm.org/doi/pdf/10.1145/3377930.3390217)                                  | [![Open All Collab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/adaptive-intelligent-robotics/QDax/blob/main/examples/mees.ipynb)       |
 | [MAP-Elites PBT (ME-PBT)](https://openreview.net/forum?id=CBfYffLqWqb)                                                        | [![Open All Collab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/adaptive-intelligent-robotics/QDax/blob/main/examples/me_sac_pbt.ipynb) |
+| [MAP-Elites Low-Spread (ME-LS)](https://dl.acm.org/doi/abs/10.1145/3583131.3590433)                                           | [![Open All Collab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/adaptive-intelligent-robotics/QDax/blob/main/examples/me_ls.ipynb)      |
 
 
 

docs/api_documentation/core/mels.md

@@ -0,0 +1,7 @@
+# MAP-Elites Low-Spread (ME-LS)
+
+[ME-LS](https://dl.acm.org/doi/abs/10.1145/3583131.3590433) is a variant of
+MAP-Elites that thrives the search process towards solutions that are consistent
+in the behavior space for uncertain domains.
+
+::: qdax.core.mels.MELS