Update sample YAML in README [ci skip]

.github/readme.md

@@ -7,28 +7,33 @@ Drone is a Continuous Delivery system built on container technology. Drone uses
 Sample Pipeline Configuration:
 
 ```yaml
-pipeline:
-  backend:
+kind: pipeline
+name: default
+
+steps:
+- name: backend
   image: golang
   commands:
     - go get
     - go build
     - go test
 
-  frontend:
+- name: frontend
   image: node:6
   commands:
     - npm install
     - npm test
 
-  publish:
+- name: publish
   image: plugins/docker
+  settings:
     repo: octocat/hello-world
     tags: [ 1, 1.1, latest ]
     registry: index.docker.io
 
-  notify:
+- name: notify
   image: plugins/slack
+  settings:
     channel: developers
     username: drone
 ```