Accept .luau files (#552)

* accept .luau files

* Accept .luau in snapshot creation

* Update versioning and snapshots.

* fix versioning

* Run rustfmt

* Reduce repetition in extension detection

* Tidy build script change

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

src/snapshot_middleware/dir.rs

@@ -82,8 +82,11 @@ pub fn snapshot_dir_no_meta(
         // middleware. Should we figure out a way for that function to add
         // relevant paths to this middleware?
         path.join("init.lua"),
+        path.join("init.luau"),
         path.join("init.server.lua"),
+        path.join("init.server.luau"),
         path.join("init.client.lua"),
+        path.join("init.client.luau"),
     ];
 
     let snapshot = InstanceSnapshot::new()