Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 default/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 History/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 General[[:space:]]Knowledge/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Reading[[:space:]]Comprehension/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Reading Comprehension/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b5dc2e0d6b4139d6a181fbd655a92ce37adbce0473c0dd7a79d029109c135559
+size 1060864