Feature/multi platform (#1866)

* wip

* wip

* wip

* wip

* wip

* wip

* remove debian dir

* lazy env and git hash

* remove env and git hash on clean

* don't leave project dir

* use docker for native builds

* start9 rust

* correctly mount registry

* remove systemd config

* switch to /usr/bin

* disable sound for now

* wip

* change disk list

* multi-arch images

* multi-arch system images

* default aarch64

* edition 2021

* dynamic wifi interface name

* use wifi interface from config

* bugfixes

* add beep based sound

* wip

* wip

* wip

* separate out raspberry pi specific files

* fixes

* use new initramfs always

* switch journald conf to sed script

* fixes

* fix permissions

* talking about kernel modules not scripts

* fix

* fix

* switch to MBR

* install to /usr/lib

* fixes

* fixes

* fixes

* fixes

* add media config to cfg path

* fixes

* fixes

* fixes

* raspi image fixes

* fix test

* fix workflow

* sync boot partition

* gahhhhh

build/raspberry-pi/init-with-sound.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+function flatline {
+	echo -n "0" > /sys/class/pwm/pwmchip0/export
+	sleep 0.5
+	echo -n "2272727" > /sys/class/pwm/pwmchip0/pwm0/period
+	echo -n "1136364" > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
+	echo -n "1" > /sys/class/pwm/pwmchip0/pwm0/enable
+}
+
+initialization.sh 
+STATUS=$?
+if [ $STATUS -ne 0 ]; then
+	flatline
+	exit $STATUS
+fi