Move DacFx wizard into separate extension (#4115)

* Moved dacfx wizard into separate extension

* updating to use azdata

* one more azdata change

* bump import extension version

* renaming extension to dacpac

extensions/dacpac/src/controllers/mainController.ts

@@ -0,0 +1,34 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 * as azdata from 'azdata';
+import ControllerBase from './controllerBase';
+import * as vscode from 'vscode';
+import { DataTierApplicationWizard } from '../wizard/dataTierApplicationWizard';
+
+/**
+ * The main controller class that initializes the extension
+ */
+export default class MainController extends ControllerBase {
+
+	public constructor(context: vscode.ExtensionContext) {
+		super(context);
+	}
+	/**
+	 */
+	public deactivate(): void {
+	}
+
+	public activate(): Promise<boolean> {
+		this.initializeDacFxWizard();
+		return Promise.resolve(true);
+	}
+
+	private initializeDacFxWizard() {
+		azdata.tasks.registerTask('dacFx.start', (profile: azdata.IConnectionProfile, ...args: any[]) => new DataTierApplicationWizard().start(profile, args));
+	}
+}