Add support for more types of input devices

Well, maybe not support, but we at least recognize touchpads and touchscreens
and try to work with them.

70-wayland.rules

@@ -1,4 +1,6 @@
 KERNEL=="event*", ENV{ID_INPUT_KEYBOARD}=="1", ENV{WAYLAND_SEAT}="1"
 KERNEL=="event*", ENV{ID_INPUT_MOUSE}=="1", ENV{WAYLAND_SEAT}="1"
+KERNEL=="event*", ENV{ID_INPUT_TOUCHPAD}=="1", ENV{WAYLAND_SEAT}="1"
+KERNEL=="event*", ENV{ID_INPUT_TOUCHSCREEN}=="1", ENV{WAYLAND_SEAT}="1"
 KERNEL=="card0", ENV{WAYLAND_SEAT}="1"