add train files

LICENSE.md

@@ -0,0 +1,2 @@
+(Revise this)
+This Dataset is licensed under CC BY 4.0 for commercial use not involving the sale, transfer, or licensing of the Dataset (or any data or information contained therein) itself.

README.md

@@ -1,3 +1,21 @@
 ---
 license: cc0-1.0
+license_link: LICENSE.md
+tags:
+  - admet
+  - drug discovery
+pretty_name: openadmet-challenge-train-data
+size_categories:
+  - n<1K
+configs:
+  - config_name: default
+    data_files:
+      - split: train
+        path: expansion_train_split.csv
+extra_gated_fields:
+  First name: text
+  Last name: text
+  Company: text
+  Work email: text
+  I want to use this dataset for: text
 ---