Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+cw1521--ember2018-malware/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

cw1521--ember2018-malware/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5d34f0719a6ed939a3534d15846af3903cf314f67562f158e2d616b09087fbc9
+size 1645490176