refactor(ansible): centralize inventory and variables in 'vars' directory

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

vars/group_vars/all/vars.yml

@@ -0,0 +1,20 @@
+#
+# Essential
+#
+
+root: "root"
+user: "tudattr"
+timezone: "Europe/Berlin"
+puid: "1000"
+pgid: "1000"
+pk_path: "/media/veracrypt1/genesis"
+pubkey: "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKqc9fnzfCz8fQDFzla+D8PBhvaMmFu2aF+TYkkZRxl9 tuan@genesis-2022-01-20"
+
+public_domain: "tudattr.dev"
+internal_domain: "seyshiro.de"
+
+#
+# Packages
+#
+
+arch: "{{ 'arm64' if ansible_architecture == 'aarch64' else 'amd64' }}"