deployment extension not working on Linux (#6476)

* add webpack for built in extensions

* fix the casing issue

* Rename azCLITool.ts to azCliTool.ts

* Rename kubectlTool.ts to kubeCtlTool.ts

* fix the error

* fix the packaging issue

extensions/resource-deployment/src/services/tools/kubeCtlTool.ts

@@ -0,0 +1,26 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+import { ToolType, ITool } from '../../interfaces';
+import * as nls from 'vscode-nls';
+const localize = nls.loadMessageBundle();
+
+export class KubeCtlTool implements ITool {
+	get name(): string {
+		return 'kubectl';
+	}
+
+	get description(): string {
+		return localize('resourceDeployment.KubeCtlDescription', 'A command-line tool allows you to run commands against Kubernetes clusters');
+	}
+
+	get type(): ToolType {
+		return ToolType.KubeCtl;
+	}
+
+	get displayName(): string {
+		return localize('resourceDeployment.KubeCtlDisplayName', 'kubectl');
+	}
+}