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/dnf.yml

@@ -0,0 +1,33 @@
+---
+- name: Update dnf cache
+  ansible.builtin.dnf:
+    update_cache: true
+  become: true
+  when: packages_update_cache | bool
+
+- name: Upgrade all packages
+  ansible.builtin.dnf:
+    name: "*"
+    state: latest
+  become: true
+  when: packages_upgrade | bool
+
+- name: Install packages
+  ansible.builtin.dnf:
+    name: "{{ packages_install }}"
+    state: "{{ packages_state }}"
+  become: true
+  when: packages_install | length > 0
+
+- name: Remove packages
+  ansible.builtin.dnf:
+    name: "{{ packages_remove }}"
+    state: absent
+  become: true
+  when: packages_remove | length > 0
+
+- name: Remove unused dependencies
+  ansible.builtin.dnf:
+    autoremove: true
+  become: true
+  when: packages_autoremove | bool