[Feature] Added EXP3 Scoring function in continuation with pr #2358

docs/source/reference/modules.rst

@@ -53,6 +53,7 @@ Documentation Sections
    modules_actors
    modules_exploration
    modules_critics
+   modules_mcts
    modules_models
    modules_distributions
    modules_utils

docs/source/reference/modules_mcts.rst

@@ -0,0 +1,19 @@
+.. currentmodule:: torchrl.modules.mcts
+
+torchrl.modules.mcts package
+============================
+
+This module provides Monte Carlo Tree Search (MCTS) components, including score computation modules for balancing exploration and exploitation in tree search algorithms.
+
+MCTS Scores
+-----------
+
+.. autosummary::
+   :toctree: generated/
+
+   MCTSScore
+   PUCTScore
+   UCBScore
+   EXP3Score
+   UCB1TunedScore
+   MCTSScores