refactor(configuration): add platform_config dict and replace is_rhel/is_debian with os_family lookups

roles/configuration/tasks/extras.yml

@@ -1,7 +1,7 @@
 ---
 - name: Append vim configurations to vimrc
   ansible.builtin.blockinfile:
-    path: "{{ '/mnt/etc/vim/vimrc' if is_debian | bool else '/mnt/etc/vimrc' }}"
+    path: "{{ '/mnt/etc/vim/vimrc' if os_family == 'Debian' else '/mnt/etc/vimrc' }}"
     block: |
       set encoding=utf-8
       set number