feat: add PrivateBin service deployment with Docker and configuration files

config/ansible/tasks/servers/services/privatebin/docker-compose.yml.j2

@@ -0,0 +1,27 @@
+services:
+  privatebin:
+    image: privatebin/nginx-fpm-alpine:latest
+    container_name: privatebin
+    restart: always
+    read_only: true
+    user: "1000:1000"
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=Europe/Amsterdam
+    volumes:
+      - {{ privatebin_data_dir }}:/srv/data
+      - {{ privatebin_service_dir }}/conf.php:/srv/cfg/conf.php:ro
+    healthcheck:
+      test: ["CMD-SHELL", "nc -z 127.0.0.1 8080 || exit 1"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+      start_period: 90s
+    networks:
+      - caddy_network
+
+networks:
+  caddy_network:
+    external: true
+    name: caddy_default