Adds a basic, videogame-esque (and optional) status bar.

[davelens]

Its will show itself by default for fresh installs, but existing installations will need to enable it in the module's settings.

Processes issue #21

Given a dashboard configured like this:

It would look something like this:

TODO

• [ ] Double check how the status bar behaves when hiding certain resources.
• [ ] Add an option to hide the text, and show just the icon and its value.
• [ ] See if I can fix the alignment issue when you combine resources with + without icons.