Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 snl.csv filter=lfs diff=lfs merge=lfs -text
 navjordj--SNL_summarization/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+navjordj--SNL_summarization/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

navjordj--SNL_summarization/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:58a8394b9d19caa744f10f43382296528492e84c030253551e3c3c2693675ccb
+size 59518976