Move single ansible playbook to ansible directory

Make ansible playbook properly- use ansible-galaxy init commands.

ansible/arch_backup/tasks/main.yml

@@ -0,0 +1,64 @@
+---
+# Backup
+- name: Create backup mount directory
+  file:
+    state: directory
+    path: '/mnt/backup0'
+  become: yes
+  tags: backup
+- name: Ensure backup0 device exists in crypttab
+  community.general.crypttab:
+    name: backup0
+    backing_device: UUID=1d7ce570-e695-47a0-9dda-5f14b5b20e21
+    password: /home/ducoterra/.lukskeys/backup0
+    opts: luks
+    state: present
+  become: yes
+  no_log: true
+  tags: backup
+- name: Ensure backup0 mount exists in fstab
+  ansible.posix.mount:
+    path: /mnt/backup0
+    src: /dev/mapper/backup0
+    fstype: btrfs
+    opts: defaults,noatime,compress=zstd
+    state: present
+  become: yes
+  tags: backup
+- name: Ensure /usr/local/scripts exists
+  file:
+    state: directory
+    path: '/usr/local/scripts'
+  become: yes
+  tags: backup
+- name: Copy btrfs_backup.sh
+  ansible.builtin.copy:
+    src: scripts/btrfs_backup.sh
+    dest: /usr/local/scripts/btrfs_backup.sh
+    owner: root
+    group: root
+    mode: '0760'
+  become: yes
+  tags: backup
+- name: Ensure hourly backups of /
+  ansible.builtin.cron:
+    name: "hourly backup of /"
+    minute: "0"
+    job: "export SOURCE_DIR=/; /usr/local/scripts/btrfs_backup.sh"
+  become: yes
+  tags: backup
+- name: Ensure hourly backups of /home
+  ansible.builtin.cron:
+    name: "hourly backup of /home"
+    minute: "0"
+    job: "export SOURCE_DIR=/home; /usr/local/scripts/btrfs_backup.sh"
+  become: yes
+  tags: backup
+- name: Ensure cronie service started
+  ansible.builtin.systemd:
+    name: cronie
+    state: restarted
+    daemon_reload: yes
+    enabled: yes
+  become: yes
+  tags: backup