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
 0x70DA--eli5-modified/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 0x70DA--eli5-modified/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+0x70DA--eli5-modified/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

0x70DA--eli5-modified/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:928b8488ce4cfe948e0170e4a7040518ede02f5176d00eb37f91e5fc6f43b755
+size 1173630976