Investigate if it is possible to have `src/File@native.kt` instead of `src@native/File.kt`

Could be possible to instead of:

```
src@native/File.kt
```

have:

```
src/File@native.kt
```

?

Could we autogenerate symbolic links somehow in a way that works? Would that require Kotlin support instead? That would help a lot. A lot of time is lost navigating with that many folders.

Start by examining how the project handles the existing src@native/File.kt layout and whether its build tooling or Kotlin support permits src/File@native.kt. Investigate whether symbolic links can be generated reliably across the supported targets. Done means documenting a workable approach or explaining why the requested layout cannot be supported.

Written by the indexing model from the issue text.