Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 CLR/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 CLR/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+presence-absence/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

presence-absence/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d70da9daa967806df35ed26af981cc9818768f012d2c36b4a29d9e395700789
+size 1060864