[CI] Removed step and added readme file

.drone.yml

@@ -3,25 +3,12 @@ kind: 'pipeline'
 name: 'build'
 
 steps:
-- image: 'plugins/docker'
-  name: 'dryrun'
-  pull: 'always'
-  settings:
-    cache_from: 'rakepanorama/ansible-deployment'
-    daemon_off: 'false'
-    dockerfile: 'Dockerfile.linux.amd64'
-    dry_run: 'true'
-    repo: 'docker.io/rakepanorama/ansible-deployment'
-    tags:
-        - 'latest'
-        - 'v0.3'
 
+# build and publish
 - image: 'plugins/docker'
   name: 'publish'
   pull: 'always'
   settings:
-    auto_tag: 'true'
-    auto_tag_suffix: 'linux-amd64'
     cache_from: 'rakepanorama/ansible-deployment'
     daemon_off: 'false'
     dockerfile: 'Dockerfile.linux.amd64'
@@ -30,3 +17,6 @@ steps:
       from_secret: 'docker_username'
     password:
       from_secret: 'docker_password'
+    tags:
+      - 'latest'
+      - 'v0.3'