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
+wujohns--gpt2-chitchat-learn-small/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

wujohns--gpt2-chitchat-learn-small/valid/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f0d381a3e94ecd69375de7ffbdd3b8c54b17d8952b397065c5cdd9dfa50ad3f
+size 1060864