Update duckdb index files

.gitattributes

@@ -25,3 +25,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zstandard filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+alt-my-transliteration/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

alt-my-transliteration/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c78a58090725f69bf5d82903425acd65013b9a74944f13beba711c57e496e49d
+size 2633728