Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 english_historical_quotes.json filter=lfs diff=lfs merge=lfs -text
+A-Roucher--english_historical_quotes/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

A-Roucher--english_historical_quotes/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7e49ce095e1f1533fc346cb16beb18d892266c8da8c69a2215749fd8c5343383
+size 6041600