Minor update, June 8th — Slava Ukraini! Steam update #1122770

I had to release this patch early to deal with the fact that the first achievements became visible through Steam even before they were obtainable. But since I don't do fully modular updates, some of the other stuff I've been working on goes with it as well. Feature updates AK-105 added AK-105 with red dot sight added RPG-7 added Zoom levels somewhat reduced for the older/basic weapons (like the AK-74). The larger zoom levels should be reserved for future (more modern) weapons as they are added. Preference setting to enable/disable zoom added (for those who want a challenge) 4 achievements added/fixed (previously made visible prematurely my mistake) One more defense mission added (featuring Russian artillery shelling) AI slightly improved (they won't shoot friendlies quite as often - though it can (and should) still happen occasionally Bugfixes Enemy moving/seeing/shooting through certain...