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/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

wujohns--gpt2-chitchat-learn/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ba0896f5bd4ac481932be72b096adfa6f184256b5e91079587d8c6c5685f7410
+size 95694848