add: Turkish quiz translations

quiz-app/src/App.vue

@@ -5,6 +5,7 @@
       <label for="locale">locale</label>
       <select v-model="locale">
         <option>en</option>
+        <option>tr</option>
       </select>
     </nav>
     <div id="app">

quiz-app/src/assets/translations/index.js

 // index.js
 import en from './en.json';
+import tr from './tr.json';
 
 //export const defaultLocale = 'en';
 
 const messages = {
 	en: en[0],
+	tr: tr[0],
 };
 
 export default messages;