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
+eturok--lotr-book/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

eturok--lotr-book/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2d82a4f45c59fe8853a239f49ddc42faa5528f35d9d4c9618406388c808bd068
+size 7352320