Refactor/project structure (#3085)

* refactor project structure

* environment-based default registry

* fix tests

* update build container

* use docker platform for iso build emulation

* simplify compat

* Fix docker platform spec in run-compat.sh

* handle riscv compat

* fix bug with dep error exists attr

* undo removal of sorting

* use qemu for iso stage

---------

Co-authored-by: Mariusz Kogen <k0gen@pm.me>
Co-authored-by: Matt Hill <mattnine@protonmail.com>

container-runtime/deb-install.sh

@@ -2,9 +2,6 @@
 
 set -e
 
-mkdir -p /run/systemd/resolve
-echo "nameserver 8.8.8.8" > /run/systemd/resolve/stub-resolv.conf
-
 apt-get update
 apt-get install -y curl rsync qemu-user-static nodejs
 
@@ -16,7 +13,4 @@ sed -i '/\(^\|#\)ForwardToSyslog=/c\ForwardToSyslog=no' /etc/systemd/journald.co
 
 systemctl enable container-runtime.service
 
-rm -rf /run/systemd
-
-rm -f /etc/resolv.conf
 echo "nameserver 10.0.3.1" > /etc/resolv.conf