Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ test/test_B12.dat filter=lfs diff=lfs merge=lfs -text
 test/test_B8A.dat filter=lfs diff=lfs merge=lfs -text
 csaybar--CloudSEN12-high/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 csaybar--CloudSEN12-high/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+csaybar--CloudSEN12-high/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

csaybar--CloudSEN12-high/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4757a73bef2d4a75273c13dd7d3b0597d4aab379c09e6eff8ca3428eea75bdc
+size 3158016