Rudimentary keymap for testing XIAO RP2040 with Studio. #300

Job	Run time
build / Fetch Build Keyboards	7s
build / Build (nice_nano_v2, corne_left)	3m 7s
build / Build (nice_nano_v2, corne_right)	2m 53s
build / Build (nice_nano_v2, lily58_left nice_view_adapter nice_view)	3m 1s
build / Build (nice_nano_v2, lily58_right nice_view_adapter nice_view)	3m 7s
build / Build (seeeduino_xiao_ble, zaphod_lite)	3m 5s
build / Build (nice_nano_v2, cradio_left, zmk-usb-logging)	2m 56s
build / Build (nice_nano_v2, cradio_right)	3m 1s
build / Build (seeeduino_xiao_ble, weejock, studio-rpc-usb-uart)	3m 0s
build / Build (seeeduino_xiao_ble, tern_ble)	3m 12s
build / Build (rp2040_zero, cheapino, studio-rpc-usb-uart, -DCONFIG_ZMK_STUDIO=y)	2m 55s
build / Build (seeeduino_xiao_rp2040, tester_xiao, studio-rpc-usb-uart, -DCONFIG_ZMK_STUDIO=y)	1m 21s
build / Merge Output Artifacts	0s
	31m 45s

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