feat(datasets): Add info operation to lerobot-edit-dataset command (#2917)

* Add New featrue to lerobot_edit_datset.py that show dataset information.

* Fix to draccus error when happen give only --operation.type=info

* Updating test and documents regarding lerobot-edit-dataset info function.

* Updating documents regarding lerobot-edit-dataset extract function. option name in document is mistake.

* feat(datasets): Update to align formatting with pre-commit.(#2917)

Update to align formatting by pre-commit.

---------

Co-authored-by: Caroline Pascal <caroline8.pascal@gmail.com>

tests/scripts/test_edit_dataset_parsing.py

@@ -21,6 +21,7 @@ from lerobot.scripts.lerobot_edit_dataset import (
     ConvertImageToVideoConfig,
     DeleteEpisodesConfig,
     EditDatasetConfig,
+    InfoConfig,
     MergeConfig,
     ModifyTasksConfig,
     OperationConfig,
@@ -46,6 +47,7 @@ class TestOperationTypeParsing:
             ("remove_feature", RemoveFeatureConfig),
             ("modify_tasks", ModifyTasksConfig),
             ("convert_image_to_video", ConvertImageToVideoConfig),
+            ("info", InfoConfig),
         ],
     )
     def test_operation_type_resolves_correct_class(self, type_name, expected_cls):
@@ -63,6 +65,7 @@ class TestOperationTypeParsing:
             ("remove_feature", RemoveFeatureConfig),
             ("modify_tasks", ModifyTasksConfig),
             ("convert_image_to_video", ConvertImageToVideoConfig),
+            ("info", InfoConfig),
         ],
     )
     def test_get_choice_name_roundtrips(self, type_name, expected_cls):