🌐 (app) change to english by default

src/views/Home.vue

@@ -7,9 +7,9 @@
     </section>
     <div class="global-time">{{ time }}</div>
     <div class="actions">
-      <button v-show="timeState === 'stopped'" @click="start">commencer</button>
+      <button v-show="timeState === 'stopped'" @click="start">start</button>
       <button v-show="timeState === 'started'" @click="pause">pause</button>
-      <button v-show="timeState === 'started'" @click="clear">arrêter</button>
+      <button v-show="timeState === 'started'" @click="clear">stop</button>
     </div>
     <ZoneMusic
       class="music"