Add enhanced announcements notification dot feature

This change adds a new option which consists of the injection of custom
CSS code to enhance the announcements notification dot shown in the
hamburger icon in the Community Console.

Change-Id: I6963017d25ba99f82ccabfde8eae45fa3280c4ec
diff --git a/src/_locales/es/messages.json b/src/_locales/es/messages.json
index 0e5b0a6..96b6fd9 100644
--- a/src/_locales/es/messages.json
+++ b/src/_locales/es/messages.json
@@ -91,6 +91,10 @@
     "message": "Activa el experimento <code class=\"help\" title=\"Este experimento te permite ordenar la lista de hilos de la Consola de la Comunidad en orden ascendente o descendente.\">SMEI_SORT_DIRECTION</code>.",
     "description": "Feature checkbox in the options page"
   },
+  "options_enhancedannouncementsdot": {
+    "message": "Muestra el punto que notifica que hay anuncios sin leer de manera más prominente en la Consola de la Comunidad.",
+    "description": "Feature checkbox in the options page"
+  },
   "options_profileindicator_header": {
     "message": "Punto indicador",
     "description": "Heading for the profile indicator feature options"