add docker-compose, open port in firewall

.env.app.example

@@ -0,0 +1,15 @@
+IP_INFO_URL=https://ipinfo.io/json
+TRANSMISSION_HOST=localhost
+TRANSMISSION_PORT=9091
+DOCKER_TRANSMISSION_CWD=/path/to/transmission/docker-compose/yaml/config
+DOCKER_TRANSMISSION_SERVICE=transmission
+DOCKER_TRANSMISSION_SERVICE_NAME=transmission
+DOCKER_GLUETUN_CWD=/path/to/gluetun/docker-compose/yaml/config
+DOCKER_GLUETUN_SERVICE=gluetun
+DOCKER_GLUETUN_SERVICE_NAME=gluetun
+ALLOWED_INTERFACES=tun0
+DISALLOWED_COUNTRIES=your_country_code_e_g_LV
+DISALLOWED_INTERNAL_IPS=your_internal_ip_e_g_192.168
+DISALLOWED_EXT_IPS=your_external_ip
+DISCORD_WEBHOOK_URL=https://discord.com/api/webhooks/your_webhook_url
+UPDATE_INTERVAL_SECONDS=300