docs: add model card YAML metadata

README.md

@@ -1,3 +1,30 @@
+---
+language:
+- en
+license: mit
+tags:
+- reinforcement-learning
+- q-learning
+- game-ai
+- teeworlds
+- openenv
+library_name: custom
+pipeline_tag: reinforcement-learning
+model-index:
+- name: teeunit-agent
+  results:
+  - task:
+      type: reinforcement-learning
+      name: Game Playing
+    dataset:
+      type: custom
+      name: TeeUnit Environment
+    metrics:
+    - type: reward
+      value: 39.38
+      name: Total Reward (20 episodes)
+---
+
 # TeeUnit Agent
 
 Trained RL agents for the [TeeUnit Environment](https://huggingface.co/spaces/ziadbc/teeunit-env) - an OpenEnv-compatible Teeworlds arena for LLM-based reinforcement learning.