Add reproducible dataset summary

dataset_summary.json

@@ -0,0 +1,64 @@
+{
+  "schema_version": "cloudavr-hub-index-v1",
+  "source": "final5000easy",
+  "seed": 42,
+  "rules": [
+    "Conservation",
+    "Count",
+    "Distribute-three",
+    "Permutation",
+    "Progression",
+    "Symmetry"
+  ],
+  "total_examples": 30000,
+  "examples_per_rule": {
+    "Conservation": 5000,
+    "Count": 5000,
+    "Distribute-three": 5000,
+    "Permutation": 5000,
+    "Progression": 5000,
+    "Symmetry": 5000
+  },
+  "examples_per_split": {
+    "train": 24000,
+    "validation": 3000,
+    "test": 3000
+  },
+  "examples_per_split_and_rule": {
+    "train/Conservation": 4000,
+    "train/Count": 4000,
+    "train/Distribute-three": 4000,
+    "train/Permutation": 4000,
+    "train/Progression": 4000,
+    "train/Symmetry": 4000,
+    "validation/Conservation": 500,
+    "validation/Count": 500,
+    "validation/Distribute-three": 500,
+    "validation/Permutation": 500,
+    "validation/Progression": 500,
+    "validation/Symmetry": 500,
+    "test/Conservation": 500,
+    "test/Count": 500,
+    "test/Distribute-three": 500,
+    "test/Permutation": 500,
+    "test/Progression": 500,
+    "test/Symmetry": 500
+  },
+  "assets_per_example": 12,
+  "asset_validation": "not_run",
+  "asset_counts_checked": {},
+  "parquet": {
+    "train": {
+      "rows": 24000,
+      "bytes": 2160616
+    },
+    "validation": {
+      "rows": 3000,
+      "bytes": 291556
+    },
+    "test": {
+      "rows": 3000,
+      "bytes": 290170
+    }
+  }
+}