Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 jonathanli--legal-advice-reddit/json-train.parquet filter=lfs diff=lfs merge=lfs -text
 jonathanli--legal-advice-reddit/json-test.parquet filter=lfs diff=lfs merge=lfs -text
 jonathanli--legal-advice-reddit/json-validation.parquet filter=lfs diff=lfs merge=lfs -text
+jonathanli--legal-advice-reddit/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

jonathanli--legal-advice-reddit/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:76d4db362507edcd7a3c35ae9cd3563565d5fce2b7c79aa2e9c2503b3c345638
+size 32518144