add yosay/yosay.d.ts

yosay/yosay-tests.ts

@@ -0,0 +1,3 @@
+/// <reference path="./yosay.d.ts" />
+import yosay = require('yosay');
+yosay('Welcome to the generator!', {maxLength: 20});

yosay/yosay.d.ts

@@ -0,0 +1,9 @@
+// Type definitions for yosay
+// Project: https://github.com/yeoman/yosay
+// Definitions by: Kentaro Okuno <http://github.com/armorik83>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module 'yosay' {
+  function yosay(message?: string, options?: {maxLength: number}): string;
+  export = yosay;
+}