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
+iudicium_textum/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

iudicium_textum/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e599e6c74e4130e0493af63587da502dd4e8c9ea4997afb24ee840ae8ddfbb40
+size 1289498624