Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 Blaise-g--scitldr/parquet-test.parquet filter=lfs diff=lfs merge=lfs -text
 Blaise-g--scitldr/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 Blaise-g--scitldr/parquet-validation.parquet filter=lfs diff=lfs merge=lfs -text
+Blaise-g--scitldr/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Blaise-g--scitldr/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a2b6b82d6299035e80bafb41fe0a419da238ba2259a292b191231b2e18fdbd3
+size 18886656