Add Ansible playbook for deployments

tools/ansible/roles/drupal-settings/README.md

@@ -0,0 +1,27 @@
+# Ansible Role: Drupal settings
+
+```yaml
+drupal_settings:
+  - drupal_root: /var/www/web
+    sites:
+      - name: default
+        filename: settings.php # Optional, defaults to 'settings.php'
+        settings:
+          base_url: https://www.example.com # Optional, Drupal 7
+          hash_salt: '' # Optional
+          databases:
+            default: # The database key
+              default: # The database target
+                driver: mysql # Optional, defaults to 'mysql'
+                host: localhost # Optional, defaults to 'localhost'
+                database: mydatabase
+                username: user
+                password: secret
+          config_directories: # Optional, Drupal 8
+            sync: path/to/config
+          trusted_hosts: # Optional, Drupal 8
+            - '^example\.com$'
+            - '^.+\.example\.com$'
+            - '^example\.org$'
+            - '^.+\.example\.org$'
+```