Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 0xtimmy--detroit-publishing-co/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+0xtimmy--postcards/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

0xtimmy--postcards/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e01c2c1b2be026909939c48001c156da663f17544f6b5dcf7d3e8c9bcc30a567
+size 1847296