Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 vesteinn--FC3/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 vesteinn--FC3/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f884599efefd6e8593a20ba4a70d5719c6bdeb2db5f865ba015c96975e48b79
+size 151269376