Fix the examples

Moves `docker-compose.yaml` to `docker-compose-counter.yaml` and
replaces the default docker-compose.yaml with the example from the
Kompose.io website.

We also rename each file from yml to yaml.

As well as do some slight modifications / formatting to
docker-compose-bundle.dab

examples/docker-compose-bundle.dab

@@ -22,4 +22,4 @@
     }
   }, 
   "version": "0.1"
-}
+}

examples/docker-compose.yaml

@@ -1,19 +1,24 @@
 version: "2"
 
 services:
+
   redis-master:
     image: gcr.io/google_containers/redis:e2e 
     ports:
       - "6379"
+
   redis-slave:
     image: gcr.io/google_samples/gb-redisslave:v1
     ports:
       - "6379"
     environment:
       - GET_HOSTS_FROM=dns
+
   frontend:
     image: gcr.io/google-samples/gb-frontend:v4
     ports:
       - "80:80"
     environment:
       - GET_HOSTS_FROM=dns
+    labels:
+      kompose.service.type: LoadBalancer