Add 2 packed OProof batches

data/train/pbb/oproofs-s00002-g000036-0000-bb96235685bc0a6d.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb96235685bc0a6da5f3a81ee223f49ec9a374b1b6291218a739b1d738335d7d
+size 991232

data/train/pbb/oproofs-s00002-g000036-0001-9252c1e4f50868b4.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9252c1e4f50868b4cde0bd1b4a8846c6fa94f368e9989d798fd8db5d06ef92a0
+size 1150448