Update duckdb index files

.gitattributes

@@ -60,3 +60,4 @@ afrikaans/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 amharic/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hausa/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 igbo/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+moroccan_arabic/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

moroccan_arabic/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80afae05e8de21fc3a8b52438783e266baf7f5b2335afc406df83d1e2d9df458
+size 3682304