Initial minecraft role

Paper/Java via itzg/minecraft-server in docker compose; whitelist and ops synchronized from Ansible, RCON on localhost only, explicit EULA flag.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

handlers/main.yml

@@ -0,0 +1,8 @@
+---
+- name: restart minecraft
+  community.docker.docker_compose_v2:
+    project_src: "{{ minecraft_inst }}"
+    state: present
+    pull: missing
+    recreate: always
+    remove_orphans: yes