0.5.0: Add helmfile & chamber (#54)

* add helmfile

* Add chamber

* add distro

* install distro

* use yq to rewrite yaml; do not templatize yaml

* use https

* fix docker image

* concise errors

* fix typo

* install all dependencies

* add ca-certificates

* rename distro to packages

* pin to release

* add gettext for envsubst

* disable go-deps due to 404

* re-enable deps-dev

* Upgrade helm

* move helm version

* add upsert

* use official release

* add timeout

* require timeout

* use short version

* translate new line to comma

* Update helm_toolbox.sh