Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ test.jsonl filter=lfs diff=lfs merge=lfs -text
 train.jsonl filter=lfs diff=lfs merge=lfs -text
 valid.jsonl filter=lfs diff=lfs merge=lfs -text
 semeru--code-text-javascript/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+semeru--code-text-javascript/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

semeru--code-text-javascript/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bbe8f33763b480dd0225035844cf4bd9941c5986466ae233cd76a6b28244dd23
+size 230174720