Update duckdb index files

.gitattributes

@@ -15,3 +15,4 @@
 *.pt filter=lfs diff=lfs merge=lfs -text
 *.pth filter=lfs diff=lfs merge=lfs -text
 Cyberfish--pos_tagger/text-train.parquet filter=lfs diff=lfs merge=lfs -text
+Cyberfish--pos_tagger/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Cyberfish--pos_tagger/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:606a45bb22608b2b6a19d5697bc909a30c93adfc5352150b07a348b7f44aaa3f
+size 4730880