Update duckdb index files

.gitattributes

@@ -150,3 +150,4 @@ default/networkengineering.stackexchange.com/index.duckdb filter=lfs diff=lfs me
 default/opendata.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/meta.superuser.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/quantumcomputing.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 sha256:68c77c390bae6d7a5116468b41af16827f24bcea739667330192cf626827751b
+size 2371584