Shadows with Compose
## About this issue

I am trying to create a shadow around an icon shape using Jetpack Compose.
I can't seem to find a way.
Adding a standard Modifier.shadow adds shadow around the rectangular box.
Is there a way I missed? Or is this a future feature...

## Details
- [ ] Used library version -> 5.3.2

## Checklist

- [x] Searched for [similar issues](https://github.com/mikepenz/Android-Iconics/issues)
- [x] Checked out the [sample application](https://github.com/mikepenz/Android-Iconics/tree/develop/app)
- [x] Read the [README](https://github.com/mikepenz/Android-Iconics/blob/develop/README.md)
- [x] Checked out the [CHANGELOG](https://github.com/mikepenz/Android-Iconics/releases)
- [x] Read the [FAQ](https://github.com/mikepenz/Android-Iconics/blob/develop/FAQ.md)
- [x] Checked out the [MIGRATION GUIDE](https://github.com/mikepenz/Android-Iconics/blob/develop/MIGRATION.md)
