Add new entries under 'Recent News': 'Urgent' and 'Community' and remove 'Announcements'

The Urgent tag is meant to show prioritary communications that the community should be aware of as soon as possible
'Community' will show all non-urgent communications and general blog posts

_data/lang/en/navigation.yml

@@ -16,12 +16,14 @@
   url: downloads/
 - title: Recent News
   subfolderitems:
-    - page: Announcements
-      url: blog/tags/announcements.html
-    - page: Meeting Logs
-      url: blog/tags/dev%20diaries.html
+    - page: Urgent
+      url: blog/tags/urgent.html
     - page: Releases
       url: blog/tags/releases.html
+    - page: Community
+      url: blog/tags/community.html
+    - page: Meeting Logs
+      url: blog/tags/dev%20diaries.html
     - page: All Posts
       url: blog
 - title: Community

_data/tags.yml

@@ -84,3 +84,6 @@
 
 - slug: announcements
   name: Announcements
+
+- slug: urgent
+  name: Urgent