hakman: Add release note and getting started entries for Hetzner

JobBuild
13680
05-24 10:36
pull-kops-e2e-kubernetes-aws 1529057260922212352 1529054339719499776 1529052345516691456 1529050939724402688 1529049407561928704 1529048431413170176
pull-kops-verify-boilerplate 1529057261178064896 1529054339828551680 1529052345621549056 1529050939837648896 1529049407691952128 1529048431526416384
pull-kops-verify-generated 1529057261014487040 1529054339748859904 1529052345546051584 1529050939762151424 1529049407595483136 1529048431455113216
pull-kops-verify-gofmt 1529057261240979456 1529054339862106112 1529052345655103488 1529050939875397632 1529049407725506560 1529048431568359424
pull-kops-verify-golangci-lint 1529057261324865536 1529054339937603584 1529052345722212352 1529050939955089408 1529049407796809728 1529048431635468288
pull-kops-verify-gomod 1529057261094178816 1529054339790802944 1529052345579606016 1529050939799900160 1529049407641620480 1529048431492861952
pull-kops-verify-govet 1529057261282922496 1529054339891466240 1529052345688657920 1529050939908952064 1529049407759060992 1529048431601913856