Add traggo deployment

roles/traggo/templates/docker-stack.yml.j2

@@ -0,0 +1,19 @@
+version: '3.7'
+
+services:
+  app:
+    image: {{ stack_image }}:{{ traggo_version }}
+    networks:
+      - "{{ docker_swarm_public_network_name }}"
+    volumes:
+      - data:/opt/traggo/data
+    environment:
+      - TRAGGO_DEFAULT_USER_NAME={{ traggo_username }}
+      - TRAGGO_DEFAULT_USER_PASS={{ traggo_password }}
+
+volumes:
+  data:
+
+networks:
+  "{{ docker_swarm_public_network_name }}":
+    external: true