Graph for memory and cpu utilization

[D0miH]

Is your feature request related to a problem? Please describe.
The development of memory and cpu utilization is not visible.

Describe the solution you'd like
One way to make the development of the utilization visible, is by providing an area graph over time.

Additional context
As an example this might look like the graph in iStats.

[edilsonborges]

Looking forward for this feature, @D0miH. By the way, do you have twitter or other social network?

[D0miH]

No, at the moment I/we aren't on any social media. But if we are going to, I'll announce it here so you guys can be up-to-date. :)