WIP Add save_policy_to_safetensors

tests/scripts/save_policy_to_safetensor.py

@@ -0,0 +1,10 @@
+import shutil
+from pathlib import Path
+
+
+def save_policy_to_safetensors(output_dir, repo_id="lerobot/pusht"):
+    ...
+    repo_dir = Path(output_dir) / repo_id
+
+    if repo_dir.exists():
+        shutil.rmtree(repo_dir)