css imports not working until referenced

[basz]

In a new v2 addon we found that css imports are optimized away unless it is referenced.

A simple import '@shoelace-style/shoelace/dist/themes/dark.css' is expected to work but does not.

https://github.com/basz/shoelace-ember/blob/main/%40shoelace-style/ember/src/index.ts#L9