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
+scribis--italian-literature-corpus-mini/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

scribis--italian-literature-corpus-mini/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1131bb4bd8245eab051b7f5b6673e47c0dfae472433310e5c0e24e35133f2d8c
+size 36188160