Update duckdb index files

.gitattributes

@@ -133,3 +133,4 @@ default/sports/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/gadgets/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/GetMotivated/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/UpliftingNews/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/Documentaries/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/Documentaries/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46d32859af8882cfa3ed8bd22d358cac8624dd9bfad877d95c7dccbfd7d1d43d
+size 904671232