* add a metrics package to handle metric registration and publishing
* add a metricsAddress field to the server struct
* make metrics a part of the server
* start a metrics endpoint as part of starting the controllers
* instrument backup_controller to report metrics
* update cli-reference docs
* update example deployments with prometheus annotations
* update 'pkg/install' tooling with prometheus annotations
Signed-off-by: Ashish Amarnath <ashish.amarnath@gmail.com>
This PR updates the documentation & example deployment template to show how `ark` can be ran utilizing [https://github.com/jtblin/kube2iam](Kube2iam) for AWS IAM permissions, rather than using access key & secret key.
Signed-off-by: Dominik Deren <dominik.deren@live.com>