fixing the build and adding 'es' to dropdown

quiz-app/src/App.vue

@@ -5,7 +5,7 @@
       <label for="locale">locale</label>
       <select v-model="locale">
         <option>en</option>
-        <!--<option>fr</option>-->
+        <option>es</option>
       </select>
 
       <span class="title">{{ questions[locale][0].title }}</span>

quiz-app/src/assets/translations/es/group-3.json

@@ -173,8 +173,7 @@
           ]
         },
         {
-          "questionText": "En un histograma, un "
-          bin " se refiere a:",
+          "questionText": "En un histograma, un 'bin' se refiere a:",
           "answerOptions": [{
               "answerText": "una clase de datos",
               "isCorrect": "false"