ui: Add recent activity info to the open-source section

[manojVivek]

We could add something like the following:

[brancz]

I think this is interesting, but does it really teach the viewer anything about the project? I suspect if they are interested in the activity of the repository they would jump straight to the github repo?

[manojVivek]

Yeah, that's right. This is just purely a fancy ui thing. 😄