CorePure64 window managers

[Juanito]

As well as a number of x11 window managers, CorePure64 has the following for the more adventurous:

wayland window managers
* weston - the reference wm for wayland
* sway - tiling wm (adjust config to run in pure wayland mode)
* gnome-session - for the full bloat experience (also works with x11)

x11/vulkan window managers
* chamferwm - tiling wm (very much a wip)

Note:
* all of the above require graphics-KERNEL and Xorg-7.7-3d
* to check if your hardware supports vulkan use vkcube from the vulkan-tools extension