Replace 'Clone' with 'Add folder' link

src/vs/workbench/parts/welcome/page/electron-browser/vs_code_welcome_page.ts

@@ -25,7 +25,8 @@ export default () => `
 						<li><a href="command:workbench.action.files.newUntitledFile">${escape(localize('welcomePage.newFile', "New file"))}</a></li>
 						<li class="mac-only"><a href="command:workbench.action.files.openFileFolder">${escape(localize('welcomePage.openFolder', "Open folder..."))}</a></li>
 						<li class="windows-only linux-only"><a href="command:workbench.action.files.openFolder">${escape(localize('welcomePage.openFolder', "Open folder..."))}</a></li>
-						<li><a href="command:git.clone">${escape(localize('welcomePage.cloneGitRepository', "Clone Git repository..."))}</a></li>
+						<li class="stable-only"><a href="command:git.clone">${escape(localize('welcomePage.cloneGitRepository', "Clone Git repository..."))}</a></li>
+						<li class="insiders-only"><a href="command:workbench.action.addRootFolder">${escape(localize('welcomePage.addWorkspaceFolder', "Add workspace folder..."))}</a></li>
 					</ul>
 				</div>
 				<div class="section recent">

src/vs/workbench/parts/welcome/page/electron-browser/welcomePage.ts

@@ -8,6 +8,7 @@ import 'vs/css!./welcomePage';
 import URI from 'vs/base/common/uri';
 import * as path from 'path';
 import * as arrays from 'vs/base/common/arrays';
+import product from 'vs/platform/node/product';
 import { WalkThroughInput } from 'vs/workbench/parts/welcome/walkThrough/node/walkThroughInput';
 import { IWorkbenchContribution } from 'vs/workbench/common/contributions';
 import { IPartService } from 'vs/workbench/services/part/common/partService';
@@ -321,6 +322,12 @@ class WelcomePage {
 		} else {
 			container.querySelector('.deployToAzure').remove();
 		}
+
+		if (product.quality !== 'stable') {
+			container.querySelector('.stable-only').remove();
+		} else {
+			container.querySelector('.insiders-only').remove();
+		}
 	}
 
 	private addExtensionList(container: HTMLElement, listSelector: string, suggestions: ExtensionSuggestion[], strings: Strings) {