Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+causal-lm--ConvAI/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

causal-lm--ConvAI/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9c98670c39a59f0ab5bd4ac2578f7940bd268bd239ef292994dbfa33d8c8c44f
+size 153628672