added tts plugin wrapper (#1265)

* added tts plugin wrapper

* commit only tts.js

* only commit plugin

Author: YaAvi

src/plugins/tts.js

@@ -0,0 +1,13 @@
+// install   :      cordova plugin add cordova-plugin-tts
+// link      :      https://github.com/smcpjames/cordova-plugin-tts
+
+/* globals TTS: true */
+angular.module('ngCordova.plugins.tts', [])
+
+.factory('$cordovaTTS', function () {
+    return {
+        speak: function (text, onfulfilled, onrejected) {
+            return TTS.speak(text, onfulfilled, onrejected);
+        }
+    };
+});