Add model card for Huggy Space

README.md

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+---
+library_name: mlagents
+tags:
+- unity
+- ppo
+- huggingface-deep-rl-course
+- Huggy
+---
+
+# 🐶 PPO-Trained Huggy Agent
+
+This model was trained using **Unity ML-Agents (PPO)** to teach Huggy the Dog to fetch a stick.
+
+➡️ **Play with it here:**  
+👉 [https://huggingface.co/spaces/ThomasSimonini/Huggy](https://huggingface.co/spaces/ThomasSimonini/Huggy)
+
+## 🧠 Training Details
+- **Algorithm:** PPO  
+- **Environment:** Huggy (fetch-the-stick dog game)  
+- **Framework:** Unity ML-Agents v1.2.0  
+- **Reward Design:** +orientation bonus    −time penalty    −rotation penalty  
+- **Max Steps:** 2 × 10⁶  
+- **Checkpoint interval:** 200 000  
+
+You can replay this model in the Huggy Space by entering: