Added initContainers to Jellyfin deployment (#26)

charts/jellyfin/templates/deployment.yaml

@@ -113,6 +113,10 @@ spec:
           {{- end }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
+  {{- if .Values.extraInitContainers }}
+      initContainers:
+	  {{- toYaml .Values.extraInitContainers | nindent 10 }}
+  {{- end }}
       volumes:
       - name: config
       {{- if .Values.persistence.config.enabled }}