feat: optional MySQL/MariaDB database driver for deployments that cannot use local SQLite

docker.env.example

@@ -11,3 +11,14 @@ CORS_ALLOWED_ORIGINS=
 AUTH_RATE_LIMIT_MAX_ATTEMPTS=5
 AUTH_RATE_LIMIT_WINDOW_SECONDS=60
 TRUSTED_PROXIES=
+DB_DRIVER=sqlite
+DATA_DIR=
+DB_HOST=
+DB_PORT=3306
+DB_USER=
+DB_PASSWORD=
+DB_NAME=
+DB_TLS=false
+DB_MAX_OPEN_CONNS=10
+DB_MAX_IDLE_CONNS=5
+DB_CONN_MAX_LIFETIME_SECONDS=300