Ron/bdc script (#4221)

* WIP adding scripting support.

* Adding deploy command along with additional env vars needed.

* Adding script generation that sets envars, kube context, and mssqlctl

* Adding test email for docker email envar until we update UI.

* Adding cluster platform detection and disabling generate script after first click.

* Fix spacing and adding comment.

extensions/big-data-cluster/src/interfaces.ts

@@ -69,3 +69,11 @@ export enum ToolInstallationStatus {
 	NotInstalled,
 	Installing
 }
+
+export enum ClusterType {
+    Unknown = 0,
+    AKS,
+	Minikube,
+	Kubernetes,
+    Other
+}