Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 hassan4830--urdu-binary-classification-data/csv-train.parquet filter=lfs diff=lfs merge=lfs -text
 hassan4830--urdu-binary-classification-data/csv-test.parquet filter=lfs diff=lfs merge=lfs -text
 hassan4830--urdu-binary-classification-data/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+hassan4830--urdu-binary-classification-data/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

hassan4830--urdu-binary-classification-data/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:756ed6c300a14baa2f44042ccdc6fdecb89f9ce97a5f8dfaca4fcb8c9a0300a8
+size 22556672