Merged client playbook and server playbook

roles/server_docker-turn-server/handlers/main.yml

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+---
+- name: recreate turn server
+  command:
+    cmd: docker restart -d -p "{{turn_server_listening_port}}:{{turn_server_listening_port}}" -p "{{turn_server_listening_port}}:{{turn_server_listening_port}}/udp" --mount type=tmpfs,destination=/var/lib/coturn --name "turn_server" -v "/home/administrator/volumes/docker/turn-server/turnserver.conf:/etc/coturn/turnserver.conf" coturn/coturn
+# -p 49152-65535:49152-65535/udp
+  environment:
+    COMPOSE_HTTP_TIMEOUT: 600
+    DOCKER_CLIENT_TIMEOUT: 600

roles/server_docker-turn-server/readme.md

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+#role docker-turn-server
+
+May this service needs to be implemented for jitis. It's directly integrated in the docker compose file of role docker-nextcloud
+
+## see
+- https://nextcloud-talk.readthedocs.io/en/latest/TURN/
+- https://hub.docker.com/r/instrumentisto/coturn
+- https://forum.openmediavault.org/index.php?thread/31782-docker-nextcloud-talk-plugin-and-turnserver/
+- https://markus-blog.de/index.php/2020/11/20/how-to-run-nextcloud-talk-high-performance-backend-with-stun-turnserver-on-ubuntu-with-docker-compose/
+- https://github.com/crazy-max/docker-nextcloud/issues/15

roles/server_docker-turn-server/tasks/main.yml

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+---
+#- name: recieve {{turn_server_domain}} certificate
+#  command: certbot certonly --agree-tos --email {{administrator_email}} --non-interactive --webroot -w /var/lib/letsencrypt/ -d {{turn_server_domain}}
+
+- name: "create /home/administrator/volumes/docker/turn-server/"
+  file:
+    path: "/home/administrator/volumes/docker/turn-server"
+    state: directory
+    mode: 0755
+
+- name: configure turnserver.conf
+  template: src=templates/turnserver.conf.j2 dest=/home/administrator/volumes/docker/turn-server/turnserver.conf
+  notify: recreate turn server

roles/server_docker-turn-server/templates/turnserver.conf.j2

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+listening-port={{turn_server_listening_port}}
+fingerprint
+use-auth-secret
+static-auth-secret={{turn_server_secret}}
+realm={{turn_server_domain}}
+total-quota=0
+bps-capacity=0
+stale-nonce
+no-multicast-peers

roles/server_docker-turn-server/vars/main.yml

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+turn_server_listening_port: 3478