[feature] Customizable network speed ranges for each tier

[onlybugreports]

Hi!
The widget has custom color customization at 4 tiers (b,k,m,g).
Comming from XFCE, there's a network plugin in which is possible to set custom ranges and colors for each tier like the bellow example:

red: 0Byte up to 1MB
orange: 1MB up to 15MB
yellow: 15MB up to 200MB
green: 200MB or more

This provides a nice visual feedback with just a glance, since you can set the ranges to your liking.

Is this something you would consider in a future update?

Thanks!