clean up, refactor, documentation

- reducing amount of splitting in configs
- documenting configuration

tasks/pkgs/alacritty.yml

@@ -2,20 +2,22 @@
 - ansible.builtin.include_vars:
     file: alacritty.yml
     name: _alacritty
+- ansible.builtin.set_fact:
+    pkgconfig.alacritty: "{{ _alacritty | ansible.builtin.combine(pkgconfig.alacritty) }}"
 
 - name: linux based installation
   when: ansible_system == 'Linux'
   block:
     - name: install rust and cargo
       ansible.builtin.include_tasks:
-        file: "pkgs/{{ ansible_os_family }}/rust.yml"
+        file: "pkgs/rust.yml"
       tags:
         - rust
         - dependency
 
     - name: append to pkgs
       set_fact:
-        syspkgs: "{{ syspkgs + _alacritty[ansible_distribution].build_deps }}"
+        syspkgs: "{{ syspkgs + pkgconfig.alacritty.build_deps[ansible_distribution] }}"
         srcpkgs: "{{ srcpkgs + [ 'alacritty' ] }}"
       tags:
         - syspkgs