Resolve "Alfa version of the Helm chart for version 1.7.0"

Closes #23 (closed)

charts/nmaas/templates/nmaas-jwt-secret.yaml

+{{- if and .Values.platform.properties.jwt.signingKey.literal .Values.platform.properties.jwt.resetKey.literal }}
+apiVersion: v1
+type: Opaque
+kind: Secret
+metadata:
+  name: {{ .Values.platform.properties.jwt.secretName | quote }}
+data:
+  {{ .Values.platform.properties.jwt.signingKey.secret.key | quote }}: {{ .Values.platform.properties.jwt.signingKey.literal | b64enc | quote }}
+  {{ .Values.platform.properties.jwt.resetKey.secret.key | quote }}: {{ .Values.platform.properties.jwt.resetKey.literal | b64enc | quote }}
+{{- end }}
\ No newline at end of file