weston.ini.man: Add libinput section
weston.ini.man: Add libinput section

Signed-off-by: Jonas Ådahl <67dcd8a17e758192e0cbb577ce1d62cc7da6cf49@gmail.com>

Tarnyko/weston-xdg_surface_present,eyolfson/weston,giucam/weston,udoprog/weston,kwm81/weston,krezovic/weston,sir-murray/weston,Fantu/compositor-spice,giucam/weston,jonnylamb/weston,Tarnyko/weston-xdg_surface_present,mchalupa/weston,eyolfson/weston,mchalupa/weston,xorgy/weston,jonnylamb/weston,Fantu/compositor-spice,sir-murray/weston,krezovic/weston,xorgy/weston,udoprog/weston,Gnurou/weston,kwm81/weston,Fantu/compositor-spice,Gnurou/weston