Add Recurrent DQN: Training recurrent policies (pytorch#2643)

* Add Recurrent DQN: Training recurrent policies

Fixes: pytorch#2349
---------

Signed-off-by: markstur <mark.sturdevant@ibm.com>
Co-authored-by: Svetlana Karslioglu <svekars@meta.com>

Author: markstur

Diff for: _static/img/rollout_recurrent.png

@@ -62,6 +62,7 @@ Colab
 Conv
 ConvNet
 ConvNets
+customizable
 DCGAN
 DCGANs
 DDP

Diff for: en-wordlist.txt

@@ -312,15 +312,20 @@ What's new in PyTorch tutorials?
    :link: intermediate/mario_rl_tutorial.html
    :tags: Reinforcement-Learning
 
+.. customcarditem::
+   :header: Recurrent DQN
+   :card_description: Use TorchRL to train recurrent policies
+   :image: _static/img/rollout_recurrent.png
+   :link: intermediate/dqn_with_rnn_tutorial.html
+   :tags: Reinforcement-Learning
+
 .. customcarditem::
    :header: Code a DDPG Loss
    :card_description: Use TorchRL to code a DDPG Loss
    :image: _static/img/half_cheetah.gif
    :link: advanced/coding_ddpg.html
    :tags: Reinforcement-Learning
 
-
-
 .. Deploying PyTorch Models in Production