Initialise repository structure and placeholder files. Generic functionality works i guess, need to come up with a better solution for compose templates

roles/base/README.md

@@ -0,0 +1,9 @@
+# base
+
+Configures the operating system baseline: hostname, locale, timezone, packages,
+Chrony, QEMU guest agent, persistent journald, sysctl, aliases, PKI directories,
+and `/srv` layout.
+
+Tags: `base`, `hostname`, `packages`, `locale`, `timezone`, `directories`,
+`journald`, `sysctl`, `shell`, `services`, `pki`.
+