mod_spam_reporting: Make 'reason' text an optional value Enables downstream modules that watch these events to distinguish between no reason given and reason being a literal "no reason given".

module:set_global();

local log = _G.log;

module:add_timer(60-os.date("%S"), function (now)
	log("info", "-- MARK --");
	return 90 - ((now + 30) % 60);
end);