chore: rename reverseproxy role to traffic

in case we get a nginx role oa in the future

roles/traefik/templates/docker-compose.yml.j2

@@ -0,0 +1,39 @@
+services:
+  traefik:
+    image: traefik:latest
+    container_name: traefik
+    restart: always
+{% if cert_mode == 'acme' %}
+    environment:
+      RFC2136_NAMESERVER: "{{ acme_dns_nameserver }}"
+      RFC2136_TSIG_ALGORITHM: "{{ acme_tsig_algorithm }}"
+      RFC2136_TSIG_KEY: "{{ acme_tsig_key }}"
+      RFC2136_TSIG_SECRET: "{{ acme_tsig_secret }}"
+      RFC2136_PROPAGATION_TIMEOUT: "{{ acme_propagation_timeout }}"
+      RFC2136_POLLING_INTERVAL: "{{ acme_polling_interval }}"
+      RFC2136_TTL: "{{ acme_ttl }}"
+{% endif %}
+    ports:
+      - "80:80"
+      - "443:443"
+{% if enable_dashboard %}
+      - "8080:8080"
+{% endif %}
+    volumes:
+      - {{ docker_volume_dir }}/traefik.yml:/traefik.yml:ro
+{% if cert_mode == 'acme' %}
+      - {{ docker_volume_dir }}/letsencrypt:/letsencrypt
+{% endif %}
+{% if traefik_mode == 'dmz' %}
+      - {{ docker_volume_dir }}/config:/config:ro
+{% endif %}
+{% if traefik_mode == 'backend' %}
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+{% endif %}
+    networks:
+      - {{ traefik_network }}
+
+networks:
+  {{ traefik_network }}:
+    name: {{ traefik_network }}
+    external: true