Always show supported frameworks for packages

[anangaur]

Today NuGet.org shows the frameworks only if there are dependencies in the packages.
Twitter thread: https://twitter.com/imperugo/status/899901309788225540

[cdrnet]

Even so, what is shown there can actually be misleading, since this is about dependency groups, not about supported frameworks. This can be different, e.g. if for some lower frameworks there are no dependencies, or they are the same for multiple compatible versions.

[anangaur]

Agree. We should look at adding this functionality along with "Context aware search" feature that aims to add more such metadata around to package details page. May be both sets of information are required. We need to think through the right way to surface the info without confusing the users.

cc: @karann-msft can you link this to the proposed feature?

[joelverhagen]

We've shipped a Frameworks tab on the package details page. This shows all package asset frameworks (frameworks directly expressed by assets in the package) and calculated frameworks (implicit support via TFM mappings). This was tracked by #4843 and is now resolved. Go try it out if you haven't already 😃.
https://www.nuget.org/packages/Newtonsoft.Json/13.0.2-beta1#supportedframeworks-body-tab

The ability to filter package search by TFM or by supported framework is tracked by #3098.

If you feel that what you're describing is now implemented yet, please feel free to open a new issue with details!

Thanks!