Update duckdb index files

.gitattributes

@@ -564,3 +564,4 @@ default/mythology/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/matheducators/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/poker.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/poker/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/networkengineering/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/networkengineering/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f414d75cf0ac2ff254fa7527225a428a0ed243303f5bd943a58e3c14f55d4c6
+size 144977920