Improve docs.

Author: wi1dcard

README.md

@@ -25,14 +25,19 @@ docker pull quay.io/darwinia-network/node-liveness-probe:v0.1.0
 
 - `/readiness` checks if node is still in syncing. This can be used with ReadinessProbe, to make sure RPC requests to a Service will only be served by nodes that have followed up.
 
+## Example
+
+See the full manifests in Kubevali: <https://github.com/darwinia-network/kubevali/blob/master/deploy/manifests/statefulset.yaml>.
+
 ## Usage
 
 ```yaml
 kind: Pod
 spec:
  containers:
-
+ ##
  # The node container
+ ##
  - name: darwinia
  image: darwinianetwork/darwinia:NODE_VERSION
  # Defining port which will be used to GET plugin health status
@@ -54,7 +59,9 @@ spec:
  port: healthz
  # ...
 
+ ##
  # The liveness probe sidecar container
+ ##
  - name: liveness-probe
  image: quay.io/darwinia-network/node-liveness-probe:VERSION
  # ...