Add initial gemini.archlinux.org playbook

host_vars/gemini.archlinux.org

+---
+hostname: "gemini.archlinux.org"
+
+ipv4_address: "49.12.124.107"
+ipv4_netmask: "/32"
+ipv6_address: "2a01:4f8:242:5614::2"
+ipv6_netmask: "/128"
+ipv4_gateway: "49.12.124.65"
+ipv6_gateway: "fe80::1"
+filesystem: "btrfs"
+network_interface: "en*"
+system_disks:
+  - /dev/sda
+  - /dev/sdb
+  - /dev/sdc
+  - /dev/sdd
+raid_level: "raid6"
+
+zabbix_agent_templates:
+  - Template OS Linux

playbooks/gemini.archlinux.org.yml

+---
+
+- name: setup gemini.archlinux.org
+  hosts: gemini.archlinux.org
+  remote_user: root
+  roles:
+    - { role: common }
+    - { role: tools }
+    - { role: firewalld }
+    - { role: sshd }
+    - { role: root_ssh }
+    - { role: borg-client, tags: ['borg'] }