Add mouse clicks [Feaute Request]

[chookity-pokk]

It would be nice to add mouse clicks like xdotool has.

[atx]

Good idea. Meanwhile, a very barebones implementation can be found in https://github.com/swaywm/wlroots/blob/master/examples/virtual-pointer.c

[zefir-git]

this would be extremely useful

[dustymabe]

@atx WDYT of #56 ?