[CI] Sanitize CI config

.drone.yml

@@ -9,14 +9,23 @@ steps:
   name: 'publish'
   pull: 'always'
   settings:
+
+    # registery and repos
+    registry: 'docker.io'
     cache_from: 'rakepanorama/ansible-deployment'
-    daemon_off: 'false'
-    dockerfile: 'Dockerfile.linux.amd64'
     repo: 'rakepanorama/ansible-deployment'
+
+    # build stuff
+    dockerfile: 'Dockerfile.linux.amd64'
+    daemon_off: 'false'
+
+    # authentication
     username:
       from_secret: 'docker_username'
     password:
       from_secret: 'docker_password'
+
+    # tags
     tags:
       - 'v0.3'
       - 'latest'