Add metadata.json

metadata.json

@@ -0,0 +1,17 @@
+{
+  "READY": true,
+  "name": "SIDER_gastro",
+  "task": "binary",
+  "num_classes": 2,
+  "cat_idx": [],
+  "num_samples": 1427,
+  "num_features": 2042,
+  "imbalance_ratio": 10.062,
+  "description": "Database of marketed drugs and adverse drug reactions (ADR) grouped into 27 system organ classes. Task: predict 'Gastrointestinal disorders'. Features: Morgan fingerprints (radius=2).",
+  "source": "MoleculeNet (https://moleculenet.org) \u2014 loaded via DeepChem.",
+  "label": "Drug Discovery",
+  "sub_labels": [
+    "Physiology",
+    "Fingerprint"
+  ]
+}