clean up, refactor, documentation

- reducing amount of splitting in configs
- documenting configuration

tasks/pkgs/carapace.yml

@@ -2,6 +2,8 @@
 - ansible.builtin.include_vars:
     file: carapace.yml
     name: _carapace
+- ansible.builtin.set_fact:
+    pkgconfig.carapace: "{{ _carapace | ansible.builtin.combine(pkgconfig.carapace) }}"
 
 - name: enable carapace yum repository
   ansible.builtin.yum_repository:
@@ -24,4 +26,4 @@
 
 - name: add carapace to syspkgs
   ansible.builtin.set_fact:
-    syspkgs: "{{ syspkgs + _carapace[ansible_system].pkgs }}"
+    syspkgs: "{{ syspkgs + pkgconfig.carapace.pkgs[ansible_system] }}"