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-service-database.conf

@@ -0,0 +1,17 @@
+[Unit]
+Wants=authelia-db.service
+After=authelia-db.service
+
+[Service]
+###
+# PostgreSQL storage (authelia-postgresql subpackage) for the native
+# authelia-service install.
+# Uncomment the environment below AND comment out the `local:` storage
+# block in /etc/authelia/configuration.yml (Authelia refuses to start
+# with two storage providers configured).
+# The authelia-db container publishes 127.0.0.1:5432 on the host.
+###
+#Environment=AUTHELIA_STORAGE_POSTGRES_ADDRESS=tcp://127.0.0.1:5432
+#Environment=AUTHELIA_STORAGE_POSTGRES_DATABASE=authelia
+#Environment=AUTHELIA_STORAGE_POSTGRES_USERNAME=authelia
+#Environment=AUTHELIA_STORAGE_POSTGRES_PASSWORD=authelia