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
+sadiqj--opam-source/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

sadiqj--opam-source/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9629dc8f04317528d86be892c17c8d2f6535f48c4820fa5d1f11753780ff22f0
+size 1048064000