Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 Adel-Elwan--Artificial-intelligence-dataset-for-IR-systems/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Adel-Elwan--Artificial-intelligence-dataset-for-IR-systems/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Adel-Elwan--Artificial-intelligence-dataset-for-IR-systems/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Adel-Elwan--Artificial-intelligence-dataset-for-IR-systems/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e2aa32529bf18a233001cea1f973fb2bf2572067f4eeed6c9a841d32ef4df38
+size 2633728