add focus changing between floating containers
add focus changing between floating containers

It will also wrap if needed.

taiyu-len/sway,1ace/sway,mikkeloscar/sway,SirCmpwn/sway,1ace/sway,ascent12/sway,taiyu-len/sway,ascent12/sway,taiyu-len/sway,johalun/sway,sleep-walker/sway,ascent12/sway,ptMuta/sway,4e554c4c/sway,mikkeloscar/sway,4e554c4c/sway,1ace/sway,sleep-walker/sway