added Helm chart for HAPI FHIR server

.github/ct/chart-schema.yaml

@@ -0,0 +1,23 @@
+name: str()
+home: str()
+version: str()
+apiVersion: str()
+appVersion: any(str(), num(), required=False)
+type: str()
+dependencies: any(required=False)
+description: str()
+keywords: list(str(), required=False)
+sources: list(str(), required=False)
+maintainers: list(include('maintainer'), required=False)
+icon: str(required=False)
+engine: str(required=False)
+condition: str(required=False)
+tags: str(required=False)
+deprecated: bool(required=False)
+kubeVersion: str(required=False)
+annotations: map(str(), str(), required=False)
+---
+maintainer:
+  name: str()
+  email: str(required=False)
+  url: str(required=False)