Add imports to README

README.md

@@ -25,8 +25,13 @@ This is a trained model of a **PPO** agent playing **LunarLander-v2**
 using the [stable-baselines3 library](https://github.com/DLR-RM/stable-baselines3).
 
 ## Usage (with Stable-baselines3)
-TODO: Add your code
 
+Using this model becomes easy when you have stable-baselines3 and huggingface_sb3 installed:
+```
+pip install stable-baselines3
+pip install huggingface_sb3
+```
+Then, you can use the model like this:
 
 ```python
 import gym