add docs on helm install, fix indent

README.md

@@ -1,13 +1,17 @@
 # IAP Auth  [![CircleCI](https://circleci.com/gh/gojekfarm/iap_auth.svg?style=svg)](https://circleci.com/gh/gojekfarm/iap_auth)
 
-# Install as a Service
+## Install as a Service
 
 1. Add service account to IAP and download the json for service account credentials.
 2. Create this kube secret
+
 `kubectl create secret generic some-svc-sa-creds --from-file=sa.json="serviceaccountfiledownloadedfromgcp.json"`
+
 3. Install as a service
+
 `helm install gojektech-incubator/iap-auth --name=some-svc-iap --set iapHost=https://somehost,clientId=someclientid,secretName=some-svc-sa-creds`
 
-# Install as a Sidecar
+
+## Install as a Sidecar