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
+lum-ai--metal-python-gentlenlp-explanatations/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

lum-ai--metal-python-gentlenlp-explanatations/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a33be6212edb7c4928ce12b885fe8374ac2705e612933261434a48aaab55e2b
+size 5779456