First real commit, simxarm env added with torchrl!

lerobot/scripts/download.py

@@ -0,0 +1,21 @@
+import os
+import zipfile
+
+import gdown
+
+
+def download():
+    url = "https://drive.google.com/uc?id=1nhxpykGtPDhmQKm-_B8zBSywVRdgeVya"
+    download_path = "data.zip"
+    gdown.download(url, download_path, quiet=False)
+    print("Extracting...")
+    with zipfile.ZipFile(download_path, "r") as zip_f:
+        for member in zip_f.namelist():
+            if member.startswith("data/xarm") and member.endswith(".pkl"):
+                print(member)
+                zip_f.extract(member=member)
+    os.remove(download_path)
+
+
+if __name__ == "__main__":
+    download()