Subsurface needs a "heartrate graph icon"...

[Dirk Hohndel]

Hi Luisa,

I don't know if you are reading the Subsurface developer mailing list
(somehow I doubt it, but I could be wrong). One of our contributors
added a nice new feature that was missing before - turning on and off
the display of the heart rate graph. For this we would need another
little icon for the toolbar - obviously I'm thinking of something with a
heart on it :-)

If you happen to have the time we'd really appreciate your help - this
way we don't have engineers design icons and we'll have something that
looks consistent with the rest of the icons we have there.

Thank you so much!

/D