Hubstuff (#50422)

cl Qustinnus
add: Hub visibility can now automatically turn on/off based on population (config-based)
/cl

did this for the headmins

code/modules/client/client_procs.dm

@@ -464,6 +464,7 @@ GLOBAL_LIST_EMPTY(external_rsc_urls)
 	GLOB.directory -= ckey
 	log_access("Logout: [key_name(src)]")
 	GLOB.ahelp_tickets.ClientLogout(src)
+	SSserver_maint.UpdateHubStatus()
 	if(credits)
 		QDEL_LIST(credits)
 	if(holder)
@@ -595,6 +596,9 @@ GLOBAL_LIST_EMPTY(external_rsc_urls)
 	var/datum/DBQuery/query_log_connection = SSdbcore.NewQuery("INSERT INTO `[format_table_name("connection_log")]` (`id`,`datetime`,`server_ip`,`server_port`,`round_id`,`ckey`,`ip`,`computerid`) VALUES(null,Now(),INET_ATON(IF('[world.internet_address]' LIKE '', '0', '[world.internet_address]')),'[world.port]','[GLOB.round_id]','[sql_ckey]',INET_ATON('[sql_ip]'),'[sql_computerid]')")
 	query_log_connection.Execute()
 	qdel(query_log_connection)
+
+	SSserver_maint.UpdateHubStatus()
+
 	if(new_player)
 		player_age = -1
 	. = player_age