New comment by icp1994 on void-packages repository

https://github.com/void-linux/void-packages/pull/47993#issuecomment-1872947786

Comment:
`meson` is supposed to create that file from [config.rs.in](https://gitlab.com/schmiddi-on-mobile/railway/-/blob/master/src/config.rs.in) using the [meson.build](https://gitlab.com/schmiddi-on-mobile/railway/-/blob/master/src/meson.build) file.