add bitnami/Discourse chart as a basis, edit Chart.yaml

deployment/helmchart/.helmignore

deployment/helmchart/Chart.yaml

deployment/helmchart/templates/NOTES.txt

deployment/helmchart/templates/_helpers.tpl

deployment/helmchart/templates/configmaps.yaml

deployment/helmchart/templates/deployment.yaml

deployment/helmchart/templates/ingress.yaml

deployment/helmchart/templates/pvc.yaml

deployment/helmchart/templates/secrets-database.yaml

deployment/helmchart/templates/secrets-discourse.yaml

deployment/helmchart/templates/secrets-redis.yaml

deployment/helmchart/templates/service.yaml

deployment/helmchart/templates/serviceaccount.yaml

deployment/helmchart/templates/tls-secrets.yaml

deployment/helmchart/values.yaml