[REQ] Play/Pause on Linux

[alba4k]

Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
It would be nice if the "automatically play/pause music when removing earbuds" feature would work on Linux

Describe the solution you'd like
A clear and concise description of what you want to happen.
This would be fairly easy to achieve by simulating a press of XF86AudioPlay or XF86AudioPause

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.
This could also be achieved by running playerctl play-pause, which would require playerctl to be installer (it would usually already be).