Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+nomic-ai--summarize-sampled/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

nomic-ai--summarize-sampled/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b1ce8c4c2cb71b6e61e12ce1915501d6c82bd65891b337e3ea02a6abb1b39cf3
+size 2283810816