Update duckdb index files

.gitattributes

@@ -64,3 +64,4 @@ English/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 English/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Gujarati/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Gujarati/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Gujarati/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Gujarati/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:66b4c2987020ed05ca90fb54d194c4dd68301cb00bea9b134a63f66e872e4a38
+size 26750976