Update announcements.json

announcements.json

 [ 
-    {"id":25,"title":"v1.4.1 更新BP03|SPRG|T901新卡","url":"http://goo.gl/AeXAzF","created_at":"2014-08-18T17:10:06+08:00","updated_at":"2014-08-28T17:10:06+08:00"},
+    {"id":26,"title":"v1.4.1 更新BP03|SPRG|T901新卡","url":"http://goo.gl/AeXAzF","created_at":"2014-08-18T17:10:06+08:00","updated_at":"2014-08-28T17:10:06+08:00"},
     {"id":25,"title":"v1.4.0 更新902新卡","url":"http://goo.gl/x5RsnV","created_at":"2014-08-02T21:34:06+08:00","updated_at":"2014-08-12T21:34:06+08:00"},
     {"id":24,"title":"v1.3.8 更新SD27新卡","url":"http://goo.gl/H2iPGQ","created_at":"2014-08-01T21:34:06+08:00","updated_at":"2014-08-11T21:34:06+08:00"},
     {"id":23,"title":"竞赛联盟～暑假赛","url":"http://www.duelcn.com/forum.php?mod=viewthread&tid=60802&extra=","created_at":"2014-08-01T19:34:06+08:00","updated_at":"2014-08-11T19:34:06+08:00"},