Release v2.20.1: migrate authentication to Better Auth

docker-compose/docker-compose.yml

@@ -15,6 +15,8 @@ services:
       DB_USER: ${DB_USER:-pulse-signage}
       DB_PASSWORD: ${DB_PASSWORD:-signage_password}
       PULSE_SIGNAGE_SHARED_SECRET: ${PULSE_SIGNAGE_SHARED_SECRET:-}
+      AUTH_SECRET: ${AUTH_SECRET:?Set a random AUTH_SECRET in .env}
+      AUTH_TRUSTED_ORIGINS: ${AUTH_TRUSTED_ORIGINS:-}
       WEB_PUBLIC_URL: ${WEB_PUBLIC_URL:-http://localhost:8080}
       BRIDGE_INTERNAL_URL: ${BRIDGE_INTERNAL_URL:-http://player-bridge:8090}
       DEFAULT_ADMIN_USERNAME: ${DEFAULT_ADMIN_USERNAME:-admin}