feat!: Use Authelia authentication to protect endpoints

- Uses Authelia as an authentication middleware and access control, with sensible policy
- Redis as Authelia's backend for session data
- Add https-proto middleware
- Add/update example files

.gitignore

@@ -1,6 +1,9 @@
 *.env
+*.bak
 .idea
 docker-compose.override.yml
+/authelia/*.yml
+!/authelia/*.example.yml
 /homepage/logs
 /homepage/*.yaml
 /homepage/*.css