Update duckdb index files

.gitattributes

@@ -3,3 +3,4 @@ muchmore_bigbio_t2t/muchmore-train.parquet filter=lfs diff=lfs merge=lfs -text
 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_bigbio_kb/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:04fbdce742d375a3fdf4825b80c1d5d5ace4854206650d0b84e7d0a6b06c6875
+size 53489664