feat: add initial setup for pearl server

roles/any.common.debian-repositories/tasks/main.yml

@@ -0,0 +1,21 @@
+---
+- name: Update sources list
+  ansible.builtin.template:
+    src: 'sources.list.j2'
+    dest: '/etc/apt/sources.list'
+    owner: 'root'
+    group: 'root'
+    mode: '0644'
+  register: res
+
+- name: Upgrade all packages to the latest version in testing
+  ansible.builtin.apt:
+    upgrade: dist
+    update_cache: yes
+    cache_valid_time: 3600
+  when: 'res.changed'
+
+- name: Clean up unused packages
+  ansible.builtin.apt:
+    autoremove: yes
+  when: 'res.changed'

roles/any.common.debian-repositories/templates/sources.list.j2

@@ -0,0 +1,10 @@
+deb http://deb.debian.org/debian/ {{ debian_version }} main non-free-firmware
+deb-src http://deb.debian.org/debian/ {{ debian_version }} main non-free-firmware
+
+deb http://security.debian.org/debian-security {{ debian_version }}-security main non-free-firmware
+deb-src http://security.debian.org/debian-security {{ debian_version }}-security main non-free-firmware
+
+# {{ debian_version }}-updates, to get updates before a point release is made;
+# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
+deb http://deb.debian.org/debian/ {{ debian_version }}-updates main non-free-firmware
+deb-src http://deb.debian.org/debian/ {{ debian_version }}-updates main non-free-firmware