Sorting issue

[manorit2001]

Describe the bug
Sorting is not proper in some filenames

Screenshots

[parth-07]

We are using serveIndex for this purpose, it don't seem like currently there's a sort option . This PR expressjs/serve-index#75 hopes to introduce sort option in serveIndex

[manorit2001]

It doesn't seem like expressjs/serve-index is maintained anymore. Can we integrate this PR in our app using some other way?