Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
 data_v3.csv filter=lfs diff=lfs merge=lfs -text
+PaulTran--spellcor_dataset_v3/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

PaulTran--spellcor_dataset_v3/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce819e6999da27c0d016ac4ca0ffe0969008b58b788bdd2803d72cd35899d725
+size 638595072