feat: initial cross-distro package management role

Supports apt, dnf, yum, pacman, apk and zypper. Variables cover install,
remove, upgrade, cache refresh and autoremove.

tasks/zypper.yml

@@ -0,0 +1,27 @@
+---
+- name: Refresh zypper repositories
+  community.general.zypper_repository:
+    runrefresh: true
+  become: true
+  when: packages_update_cache | bool
+
+- name: Upgrade all packages
+  community.general.zypper:
+    name: "*"
+    state: dist-upgrade
+  become: true
+  when: packages_upgrade | bool
+
+- name: Install packages
+  community.general.zypper:
+    name: "{{ packages_install }}"
+    state: "{{ packages_state }}"
+  become: true
+  when: packages_install | length > 0
+
+- name: Remove packages
+  community.general.zypper:
+    name: "{{ packages_remove }}"
+    state: absent
+  become: true
+  when: packages_remove | length > 0