Update duckdb index files

.gitattributes

@@ -57,3 +57,4 @@ goodsmile-scale/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 goodsmile-figma/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 spiritale/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tokyofigure/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+myethos/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

myethos/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e1b7aeee6d0d2271165d5b82afc178103c3892ab3820c5d2ad173c9eccf87c3b
+size 4206592