WIP: add acmebot role

Implements configuration of the acmebot package we built. Some TODOs and testing left.

static-website/tasks/main.yml

@@ -9,9 +9,9 @@
     mode: '0600'
   when:
     - item.deploy_key is defined
-    - item.deploy_key|bool
+    - item.deploy_key|string != ''  # noqa 602
     - item.deploy_key_name is defined
-    - item.deploy_key_name|bool
+    - item.deploy_key_name|string != ''  # noqa 602
   with_items: "{{ static_websites }}"
   tags:
     - static-website