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/templates/manifest.gjson b/templates/manifest.gjson
index 3ee5587..72126b9 100644
--- a/templates/manifest.gjson
+++ b/templates/manifest.gjson
@@ -70,7 +70,8 @@
         "injections/profileindicator_inject.js",
         "injections/profileindicator_inject.css",
         "injections/ccdarktheme.css",
-        "injections/batchlock_inject.js"
+        "injections/batchlock_inject.js",
+        "injections/enhanced_announcements_dot.css"
 #if defined(CHROMIUM_MV3)
       ],
       "matches": [