Update duckdb index files

.gitattributes

@@ -4,3 +4,4 @@ muchmore_de_bigbio_kb/muchmore-train.parquet filter=lfs diff=lfs merge=lfs -text
 muchmore_en_bigbio_kb/muchmore-train.parquet filter=lfs diff=lfs merge=lfs -text
 muchmore_source/muchmore-train.parquet filter=lfs diff=lfs merge=lfs -text
 muchmore_bigbio_kb/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+muchmore_de_bigbio_kb/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

muchmore_de_bigbio_kb/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e3750cc5584bd21217d882316b43a9d58645f091ec2b0cfaa9a2eb7514ccc08
+size 21508096