Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+bigcode--programming-languages-keywords/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

bigcode--programming-languages-keywords/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3d412a4c8fe9b5dbc6f6264529257201fa6a25a15f75e9dd44b1bf54ec472ea2
+size 1060864