change layout for better management

- instead of just `syspkgs` and `srcpkgs` add more lists
  - `appimages`, `flatpkgs` and others as they come up

tasks/addpkg.yml

@@ -1,23 +1,11 @@
 # vim: set filetype=yaml.ansible :
 ---
-- name: "check if task for {{pkg}} exists"
-  ansible.builtin.command: "test -f {{role_path}}/tasks/pkgs/{{ pkg }}.yml"
+- name: "Check if task exists for {{ pkg }}"
+  ansible.builtin.stat:
+    path: "{{ role_path }}/tasks/pkgs/{{ pkg }}.yml"
   register: cpkg_exists
-  ignore_errors: true
-  failed_when: not (cpkg_exists.rc != 0 or cpkg_exists.rc != 1)
 
-- name: "add include task for {{pkg}}"
+- name: "Add include task for {{ pkg }}"
+  when: cpkg_exists.exists
   ansible.builtin.include_tasks:
     file: "pkgs/{{ pkg }}.yml"
-  when: cpkg_exists.rc == 0
-  tags:
-    - packages
-
-- name: "add {{pkg}} to syspkgs if task doesn't exist: {{assume_missing_is_syspkg}}"
-  ansible.builtin.set_fact:
-    syspkgs: "{{ syspkgs + [pkg] }}"
-  when:
-    - cpkg_exists.rc != 0
-    - assume_missing_is_syspkg
-  tags:
-    - packages