Add a system blog

docs/docs/guide/menus.md

@@ -131,3 +131,7 @@ Finally, an optional SECLEVEL command indicates the required security level for
 **NLBROWSER** Browse the nodelist for the current conference.
 
 **SENDFEEDBACK** Send feedback to the Sysop.
+
+**BLOGDISPLAY** Display the System Blog.
+
+**BLOGWRITE** Add an entry to the System Blog.

docs/docs/guide/scripting.md

@@ -113,3 +113,5 @@ Where data is the name of the lua script to call without the extension.
 **bbs_data_path** Returns a path for script data storage. This is shared with all scripts, so make sure your filenames are unique.
 
 **bbs_user_security** Returns the current user's security level.
+
+**bbs_display_blog** Display the System Blog.