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

.yamllint.yml

@@ -0,0 +1,41 @@
+---
+yaml-files:
+  - '*.yaml'
+  - '*.yml'
+  - '.yamllint'
+
+ignore:
+  - venv
+  - geerlingguy.docker
+  - geerlingguy.certbot
+
+rules:
+  anchors: enable
+  braces: enable
+  brackets: enable
+  colons: enable
+  commas: enable
+  comments:
+    level: warning
+  comments-indentation:
+    level: warning
+  document-end: disable
+  document-start:
+    level: warning
+  empty-lines: enable
+  empty-values: disable
+  float-values: disable
+  hyphens: enable
+  indentation: enable
+  key-duplicates: enable
+  key-ordering: disable
+  line-length:
+    max: 160
+    level: warning
+  new-line-at-end-of-file: enable
+  new-lines: enable
+  octal-values: disable
+  quoted-strings: disable
+  trailing-spaces: enable
+  truthy:
+    level: warning