Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 290-h.json filter=lfs diff=lfs merge=lfs -text
+jnieus01--narrative-arc/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

jnieus01--narrative-arc/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99ab05ab0d215a061af01b4628c5174d47fcae14049e2485f577ef0e40b3514f
+size 1060864