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

DigitalUmuganda--monolingual_machine_translation_data/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63b3247c959435f4ccba76088874ba37f60835ac7afdcef51b2cb98da5b8e39b
+size 19410944