feat; add multi language support

src/app/components/notification/notification.html

@@ -1,6 +1,6 @@
 @if(notification$(); as notification) {
     <div class="notification notification--{{notification.type}} notification--fade-in-out">
-        <p>{{ notification.message  }}</p>
+        <p>{{ notification.message|upperfirst  }}</p>
     </div>
 }