Move single ansible playbook to ansible directory

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

ansible/arch_openssh/tasks/main.yml

@@ -0,0 +1,32 @@
+---
+# SSH
+- name: Ensure openssh installed
+  community.general.pacman:
+    name: openssh
+    state: present
+  become: yes
+- name: Curl SSH trusted CA
+  get_url:
+    url: https://vault.ducoterra.net/v1/ssh-client-signer/public_key
+    dest: /etc/ssh/trusted-user-ca-keys.pem
+    mode: '0660'
+  become: yes
+- name: Create sshd_config file
+  copy:
+    dest: "/etc/ssh/sshd_config"
+    content: |
+      AuthorizedKeysFile      .ssh/authorized_keys
+      PasswordAuthentication no
+      KbdInteractiveAuthentication no
+      UsePAM yes
+      PrintMotd no # pam does that
+      Subsystem       sftp    /usr/lib/ssh/sftp-server
+      TrustedUserCAKeys /etc/ssh/trusted-user-ca-keys.pem
+  become: yes
+- name: Ensure ssh service started
+  ansible.builtin.systemd:
+    name: sshd
+    state: restarted
+    daemon_reload: yes
+    enabled: yes
+  become: yes