Colors for bandwidth utilization

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(This is a hefty feature request, if you don't plan to do any major updates to this extension, you can just disregard and close the issue. The extension works very well as is).

Coloring on the up/down bandwidth numbers
It would be very handy to know when the bandwidth hits a certain threshold or percentage utilization.
For example:

• when the upload hits 1M (or 50%) it would change from white to a very soft orange, 2M light red, 5M deep red etc..
• when the download hits 1M (or 50%) it would change from white to a pale sky blue, 2M blue, 5M purple etc..

This would be very helpful to see at a glance if there is unusual bandwidth consumption or if your background upload/download has finished (or crashed).

I understand this would be different per connection (DSL vs fiber etc..) and would require either user defined threshold quota values or some kind of selectable connection template library, like:

• standard xDSL = 5M/1M
• fast xDSL = 50M/5M
• standard fiber = 10M/10M
• fast fiber = 100M/20M

Another (whacky) idea is to add a connection speed probe powered by some free API (I have a buddy who contacted speedof.me and got a free unlimited developers API access) that would set the max up/down after the user triggers the probe.

Again, just an idea. Thanks for the useful extension.