Port to LeRobot Dataset v3.0 format

meta/episodes/chunk-000/file-000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:72bc31faff5c426569c142acdd10ee8762971b3b287680b461fc1d3b83cf28fa
-size 2561
+oid sha256:87a34e92e073d6329340aef11c4f0b2f7c16be974140fc44ca6be96942380d4d
+size 6985

meta/info.json

@@ -4,8 +4,6 @@
     "total_episodes": 1,
     "total_frames": 239,
     "total_tasks": 1,
-    "total_videos": 1,
-    "total_chunks": 1,
     "chunks_size": 1000,
     "fps": 10.0,
     "splits": {
@@ -117,5 +115,7 @@
             "names": null
         }
     },
-    "episodes_path": "meta/episodes/chunk-{chunk_index:03d}/file-{file_index:03d}.parquet"
+    "episodes_path": "meta/episodes/chunk-{chunk_index:03d}/file-{file_index:03d}.parquet",
+    "data_files_size_in_mb": 100,
+    "video_files_size_in_mb": 500
 }

meta/stats.json

@@ -11,14 +11,14 @@
             1.1933883428573608
         ],
         "mean": [
-            0.2528282187858506,
-            0.17757851870488922,
-            -0.10779986422212802
+            0.25282829999923706,
+            0.17757855355739594,
+            -0.10779955983161926
         ],
         "std": [
-            0.7129094862839773,
-            0.992243578222568,
-            0.9274531016479076
+            0.712909460067749,
+            0.9922435879707336,
+            0.9274531602859497
         ],
         "count": [
             239
@@ -36,14 +36,14 @@
             1.1933883428573608
         ],
         "mean": [
-            0.2560216475725169,
-            0.1682455550926001,
-            -0.09913090183925678
+            0.25602173805236816,
+            0.1682455986738205,
+            -0.09913062304258347
         ],
         "std": [
-            0.7099569941211971,
-            0.9934319763751593,
-            0.9298820698594668
+            0.7099572420120239,
+            0.9934317469596863,
+            0.9298821687698364
         ],
         "count": [
             239