add a number of pkgs

- putting package deps and pkgnames in vars/main.yml

tasks/pkgs/bat.yml

@@ -0,0 +1,5 @@
+# vim: set filetype=yaml.ansible :
+---
+- name: append to syspkgs
+  ansible.builtin.set_fact:
+    syspkgs: "{{ syspkgs + [ 'bat' ] }}"