Update duckdb index files

.gitattributes

@@ -70,3 +70,4 @@ kin/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 swa/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 swa/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 swa/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+twi/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

twi/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:941148e8f9788a9d00aab324e8072cd6011a6d58a3302cbb63994b9414b17751
+size 1060864