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/toolsService.ts

@@ -14,12 +14,12 @@ export interface IToolsService {
 }
 
 export class ToolsService implements IToolsService {
+	private supportedTools: ITool[];
+
 	constructor() {
 		this.supportedTools = [new DockerTool(), new AzCliTool(), new AzdataTool(), new KubeCtlTool()];
 	}
 
-	private supportedTools: ITool[];
-
 	getToolByName(toolName: string): ITool | undefined {
 		return this.supportedTools.find(t => t.name === toolName);
 	}