Update duckdb index files

.gitattributes

@@ -536,3 +536,4 @@ default/matheducators.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/mathematica.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/mechanics.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/monero.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/moderators.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/moderators.meta/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b712710c34565ef82fa3f366c4faa32ce5cdd98af30a2e156488a5f877b4b951
+size 2371584