Converts the svg font to a path so that rendering doesn't
require the full Operator Mono font locally.
Adjust the update script to add 10% padding around the icon
on macOS as @erf suggests that the increased padding looks
better/more consistent with other macOS apps.
I was playing around with inkscape and this simple icon is
the result.
Add a script to generate the various bitmap icons for all three
platforms. It is intended to run on a Linux host.
