Helm: Add initial chart

.gitignore

.gitlab-ci.yml

README.md

contrib/chart/.helmignore

contrib/chart/Chart.yaml

contrib/chart/templates/NOTES.txt

contrib/chart/templates/_helpers.tpl

contrib/chart/templates/configmap.yaml

contrib/chart/templates/deployment.yaml

contrib/chart/templates/hpa.yaml

contrib/chart/templates/ingress.yaml

contrib/chart/templates/service.yaml

contrib/chart/templates/serviceaccount.yaml

contrib/chart/templates/tests/test-connection.yaml

contrib/chart/values.yaml