Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 test.csv filter=lfs diff=lfs merge=lfs -text
 train.csv filter=lfs diff=lfs merge=lfs -text
 VLyb--DBpedia500/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+VLyb--DBpedia500/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

VLyb--DBpedia500/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d387c43c566aafb69c6adc4529c4c3cf6786bdbc8ca7305eff2fc00e07bd4413
+size 194523136