Add drone

drone.yml

@@ -0,0 +1,25 @@
+kind: pipeline
+name: default
+
+steps:
+- name: check ansible syntax
+  image: plugins/ansible:1
+  settings:
+    playbook: deployment/todo-setup.yml
+    inventory: deployment/hosts
+    syntax_check: true
+  when:
+    event:
+      - pull_request
+
+- name: apply ansible playbook
+  image: plugins/ansible:1
+  settings:
+    playbook: deployment/todo-setup.yml
+    inventory: deployment/hosts
+  when:
+    branch:
+    - production
+    event:
+    - push
+