Update duckdb index files

.gitattributes

@@ -66,3 +66,4 @@ asksciencefiction/train.json filter=lfs diff=lfs merge=lfs -text
 changemyview/train.json filter=lfs diff=lfs merge=lfs -text
 explainlikeimfive/train.json filter=lfs diff=lfs merge=lfs -text
 legaladvice/train.json filter=lfs diff=lfs merge=lfs -text
+stanfordnlp--SHP/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

stanfordnlp--SHP/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ccd260f76780082dd99499660ca713d3b45b722f875e5c95417c0f1435b2094f
+size 67383296