Update duckdb index files

.gitattributes

@@ -141,3 +141,4 @@ default/retrocomputing.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=
 default/reverseengineering.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/raspberrypi.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/robotics.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/rus.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/rus.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19815b2a532d156ed919572f9cb1b128693bc2a4186543a4fa08462db869da62
+size 2371584