[hg612-exporter] New chart (#29)

* [hg612-export] New chart

* Remove default from identifier

* Correct maintainer

* Fix chart params

charts/hg612-exporter/README_CHANGELOG.md.gotmpl

@@ -0,0 +1,27 @@
+{{- define "custom.changelog.header" -}}
+## Changelog
+{{- end -}}
+
+{{- define "custom.changelog" -}}
+{{ template "custom.changelog.header" . }}
+
+All notable changes to this application Helm chart will be documented in this file but does not include changes from our common library. To read those click [here](https://github.com/k8s-at-home/library-charts/tree/main/charts/stable/common#changelog).
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+### [1.0.0]
+
+#### Added
+
+- Initial version
+
+#### Changed
+
+- N/A
+
+#### Removed
+
+- N/A
+
+[1.0.0]: #100
+{{- end -}}