enhance: 非通知なお知らせを作成できるように

locales/index.d.ts

@@ -1172,6 +1172,8 @@ export interface Locale {
         "readConfirmText": string;
         "shouldNotBeUsedToPresentPermanentInfo": string;
         "dialogAnnouncementUxWarn": string;
+        "silence": string;
+        "silenceDescription": string;
     };
     "_initialAccountSetting": {
         "accountCreated": string;