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
+nayohan--piqa-ko/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

nayohan--piqa-ko/valid/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f3f7497ebb4a1829467e7c8b4c4eb38623b3c961d2c9dfad5c818d5d2f13d2e1
+size 1585152