Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ 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
+debatelab--deepa2-corpus/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

debatelab--deepa2-corpus/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0c2c630654a09628d6a3a9ee3d966a5ca9793ea9476f31f88d6393627256ffcd
+size 7090176