feat(actions): Adds actions & lint (#1)

Adds an action to perform some linting actions on ansible and the yaml files, both on push onto master and on pull requests

Reviewed-on: #1

group_vars/all.yml

@@ -1,6 +1,7 @@
 ---
 # Standard variables
-os: "{{ ansible_system|lower }}"
+os: "{{ ansible_system | lower }}"
+# yamllint disable-line rule:line-length
 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