Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 SahandNZ--cryptonews-articles-with-price-momentum-labels/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+SahandNZ--cryptonews-articles-with-price-momentum-labels/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

SahandNZ--cryptonews-articles-with-price-momentum-labels/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:480c5617496e90386b69571c92e0e98e2080af34ebef6625b9b1ee31c7ba937d
+size 30683136