Update coturn service configuration with new port ranges and enhanced security options. Also, add ACME support for certificate management and configure firewall to allow necessary ports.
Ensure the coturn static-auth-secret has the correct owner and specifies restart units. This enhances security by assigning ownership and improves reliability by ensuring relevant units restart when secrets change.
Add coturn service definition for x86_64-linux systems with static-auth-secret and additional settings for Nextcloud integration. Includes secrets management via `sops` and secure TLS configurations.