Turn the "General" page into some kind of dashboard / status page

[jandubois]

It would be useful to get basic configuration information directly on the main app page.

Right now you have to invoke the Preferences dialog to check what container engine you are running, what Kubernetes version you are using, how much memory is allocated to the VM, how many containers are running etc.

Let's discuss what information should be displayed on the General page to make it more useful!