Add datav2 parquet split

datav2/split_summary.json

@@ -0,0 +1,14 @@
+{
+  "train": {
+    "rows": 8753,
+    "sources": 261,
+    "char_count": 21695964,
+    "approx_tokens_4chars": 5423991
+  },
+  "validation": {
+    "rows": 42,
+    "sources": 3,
+    "char_count": 100456,
+    "approx_tokens_4chars": 25114
+  }
+}

datav2/train-00000-of-00001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6350b8e17b38a10941918de098be947e0453beee289229c177b88533e4c343c3
+size 9560140

datav2/validation-00000-of-00001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:79ab225899fc01d92630d2d40afc0dff4244addd0402e80c24eb814d1151e103
+size 72506