added Helm chart for HAPI FHIR server

.github/ct/ct.yaml

@@ -0,0 +1,17 @@
+debug: true
+remote: origin
+lint-conf: .github/ct/lintconf.yaml
+chart-yaml-schema: .github/ct/chart-schema.yaml
+validate-maintainers: false
+validate-chart-schema: true
+validate-yaml: true
+check-version-increment: true
+chart-dirs:
+  - charts
+helm-extra-args: --timeout 300s
+upgrade: true
+skip-missing-values: true
+release-label: release
+chart-repos:
+  - bitnami=https://charts.bitnami.com/bitnami
+release-name-template: "helm-v{{ .Version }}"