message: add go get to README
diff: @@ -33,6 +33,16 @@ To remove Kubeapps from your cluster, simply run:
  kubeapps down
  ```
  +## Installation
  +
  +Get the latest release of Kubeapps Installer on the [Github releases](https://github.com/kubeapps/kubeapps/releases) page.
  +
  +Alternatively, when you have configured a proper Go environment (refer to the first two steps of [Build from Source](#build-from-source) section), the latest Kubeapps Installer can be get-able from source:
  +
  +```
  +go get github.com/kubeapps/kubeapps
  +```
  +
  ## Build from Source
  The Kubeapps Installer is a CLI tool written in Go that will deploy the Kubeapps components into your cluster.
  