Skip the launcher with the -launch flag

This fixes #205

src/client/launcher/launcher.cpp

@@ -5,14 +5,11 @@
 #include "html/html_window.hpp"
 
 #include "resource.hpp"
-#include "component/updater.hpp"
 
 namespace launcher
 {
 	bool run()
 	{
-		updater::update();
-
 		bool run_game = false;
 		html_window window("BOIII", 550, 380);
 

src/client/main.cpp

@@ -13,6 +13,7 @@
 
 #include "game/game.hpp"
 #include "launcher/launcher.hpp"
+#include "component/updater.hpp"
 
 namespace
 {
@@ -288,8 +289,10 @@ namespace
 				if (!is_server)
 				{
 					trigger_high_performance_gpu_switch();
+					updater::update();
 
-					if (!launcher::run())
+					const auto launch = utils::flags::has_flag("launch");
+					if (!launch && !launcher::run())
 					{
 						return 0;
 					}