Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ 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
 nazimali--quran-question-answer-context/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+nazimali--quran-question-answer-context/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

nazimali--quran-question-answer-context/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e6a0e2b27791fbb15d6930362b905cdd77f7544e1e2ae1f5fafb6114837d8cd7
+size 3944448