More content and playbooks

* more readme.md content
* imported basic roles
* commented said basic roles
* trimmed down playbooks to be understandable
* update requirements.txt deps

group_vars/all.yml

@@ -0,0 +1,14 @@
+---
+# Standard variables
+os: "{{ ansible_system|lower }}"
+arch: "{% if ansible_architecture == 'aarch64' %}arm64{% elif ansible_architecture == 'amd64' or ansible_architecture == 'x86_64' %}amd64{% elif ansible_architecture == 'armhf' %}armhf{% else %}{{ ansible_architecture }}{% endif %}"
+
+# Docker stuff
+docker_apt_ignore_key_error: false
+docker_install_compose: true
+docker_apt_arch: "{{ arch }}"
+
+root_user:
+  default_root_keys:
+    - name: thomas-ed25519
+      key: ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPrw78OSJACq5MFXHrhAr2bPpnTNxwLE85mzij8gKmCs thomas@thonkpad