clean up, refactor, documentation

- reducing amount of splitting in configs
- documenting configuration

vars/main.yml

@@ -1,8 +1,13 @@
 # variables used in ansible_role_package
 ---
-assume_missing_is_syspkg: false
+assume_missing_is_syspkg: true
 full_upgrade: false
 install_state: present
+default_confg:
+  install_prefix: /usr/local
+  become: true
+  owner: root
+  group: root
 
 # install lists
 brewtaps: []
@@ -16,14 +21,17 @@ srcpkgs: []
 syspkgs: []
 tappkgs: []
 
-# namespaced package variables
+# pkgconfig, loaded from .yml files in vars
+# and combined. Configuration can be changed
+# when running the role by specifying
+# pkgconfig.<pkgname> as a dict
 pkgconfig:
   alacritty: {}
   carapace: {}
   consul: {}
   git: {}
   go: {}
-  hashicorp_repo: {}
+  hashicorp: {}
   kitty: {}
   neovide: {}
   neovim: {}