Update duckdb index files

.gitattributes

@@ -146,3 +146,4 @@ default/math.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/tex.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/codegolf.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/elementaryos.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/networkengineering.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/networkengineering.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:946bde52b4264c91f2d65047d9b1dbdaefd8bd92677af1ac12df3354e976dd52
+size 12070912