fix broken packages

- standardize naming of each pkg append
- move _configured vars to end of block

tasks/pkgs/btop.yml

@@ -4,7 +4,7 @@
   when:
     - btop_configured is undefined
   block:
-    - name: Append to pkg_ssys
+    - name: Append btop to pkg_ssys
       ansible.builtin.set_fact:
         pkg_sys: "{{ pkg_sys + ['btop'] }}"