Initial authelia 4.39.20 package

- Base + service (native binary), container (rootless quadlet),
  postgresql and redis subpackages
- Fixed UID/GID 126 for the authelia user
- Rootless pod publishing 127.0.0.1:9091; db and redis join the pod
  (container) or publish on localhost (service)
- Container images pinned by digest
- Native -service subpackage built conditionally (--without service)

authelia.pod

@@ -0,0 +1,10 @@
+[Unit]
+Description=Authelia pod
+
+[Pod]
+PodName=authelia-pod
+PublishPort=127.0.0.1:9091:9091
+
+[Service]
+User=authelia
+Environment=HOME=/var/lib/authelia