Always display sourceset/platform indicators in the header/packages #2847
Description
The sourceset/platform information is not shown in single-platform projects and single-platform/sourceset modules, so it is difficult to tell sometimes for which platform a particular library is written.
Examples:
Proposal
We can always render sourceset/platform selectors/indicators both in the header and right next to the package. However, DO NOT display the source set tab above signatures, as there is only one choice. This way, the reader has a chance of figuring out what platform the library is written for.
Examples:
