Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 AlekseyKorshuk--dalio-handwritten-io/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 AlekseyKorshuk--dalio-handwritten-io/parquet-validation.parquet filter=lfs diff=lfs merge=lfs -text
 AlekseyKorshuk--dalio-handwritten-io/parquet-test.parquet filter=lfs diff=lfs merge=lfs -text
+AlekseyKorshuk--dalio-handwritten-io/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

AlekseyKorshuk--dalio-handwritten-io/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a94b2a7882c49c894fb87d176e737ca67abc690c28512bcb9f23482fe9bd74ad
+size 1060864