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

underactuated--coqa-text/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4a8b11792b90b34001162815a23c4e64cf6984cfd4ed74b278c315355aa2793
+size 3420160