fix relevant_paths not being set for init.csv (#599)

* fix relevant_paths not being set for init.csv

* fix failing tests

Co-authored-by: Lucien Greathouse <me@lpghatguy.com>

src/snapshot_middleware/dir.rs

@@ -87,6 +87,7 @@ pub fn snapshot_dir_no_meta(
         path.join("init.server.luau"),
         path.join("init.client.lua"),
         path.join("init.client.luau"),
+        path.join("init.csv"),
     ];
 
     let snapshot = InstanceSnapshot::new()