More machine stats!

[kaitpw]

I'm sure this is planned but I'd love a RAM, GPU, and Network widget. Something like glances or htop where you could single out a process would be especially cool too. I love the cpu graph by the way and really just the app in general.

[esimkowitz]

We released memory stats and per-cpu stats with 0.8.12, working on getting more in with some future releases!