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
+Riksarkivet--cleaned_Diachronic_swe/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Riksarkivet--cleaned_Diachronic_swe/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a13a7c2b4fd1b4c60b1fbdc8716696f1a60eb4b2b32e52d239dc89d5a6623534
+size 58994688