Added dataset accessor.

Author: lu-ohai

ads/dataset/dataset_accessor.py

@@ -0,0 +1,10 @@
+from typing import Tuple
+import pandas as pd
+from ads.dataset import progress
+from ads.dataset.dataset import ADSDataset
+from ads.dataset.dataset_with_target import ADSDatasetWithTarget
+
+@pd.api.extensions.register_dataframe_accessor("ads")
+class ADSDatasetAccessor:
+    def __init__(self, pandas_obj):
+        self._obj = pandas_obj