Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 LLukas22--cqadupstack/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 LLukas22--cqadupstack/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+LLukas22--cqadupstack/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

LLukas22--cqadupstack/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:91c403865fdf63beda4b226d84606176e3400f226378f13c43395d0fc87c8eca
+size 839135232