add multiple packages

- stub only: dbeaver, gns3, godot, heroic
- partial:
  - Darwin: httpiegui, jellyfin, libreoffic, pgadmin, tailscale
- full: thunderbird, zfs, zsh

tasks/pkgs/zsh.yml

@@ -0,0 +1,9 @@
+---
+- name: append to pkgs
+  ansible.builtin.set_fact:
+    syspkgs: "{{ syspkgs + [ 'zsh' ] }}"
+  when: ansible_os_family != 'Darwin'
+
+- debug:
+    msg: "macOS already has zsh, skipping"
+  when: ansible_os_family == 'Darwin'