Enable mouse emulation by default on Glove80

In order to build layouts with mouse keys using the layout editor, we
want to enable mouse support by default. Once mouse support is
upstreamed, the layout editor can add an explicit configuration option
for it, and the default can return to off.

app/boards/arm/glove80/glove80_lh_defconfig

@@ -80,6 +80,10 @@ CONFIG_ZMK_HID_CONSUMER_REPORT_USAGES_BASIC=y
 # Enable USB boot protocol support
 CONFIG_ZMK_USB_BOOT=y
 
+# Enable mouse-key support
+CONFIG_ZMK_MOUSE=y
+CONFIG_ZMK_MOUSE_TICK_DURATION=16
+
 # Turn on debugging to disable optimization. Debug messages can result in larger
 # stacks, so enable stack protection and particularly a larger BLE peripheral stack.
 # CONFIG_DEBUG=y