This makes the server fully configurable, and adds the contents of
example JSON configs as the defaults for all servers.
Change-Id: I8ff3e66a586a9db3acb9721810c8c5aa13072b4b
This moves all the proxy Kube resources to proxy.libsonnet.
Effect is a zero diff against prod:
$ kubecfg diff --diff-strategy=subset prod.jsonnet
[...]
namespaces factorio unchanged
[...]
deployments factorio.proxy unchanged
[...]
services factorio.proxy unchanged
[...]
persistentvolumeclaims factorio.proxy-cas unchanged
Change-Id: I9c6281e836f7b78373aad21120340994e801f8b4