Update v. 0.97

- The workbench system has been completely redesigned, now it is more logical.
- The zoom percentage and the scrolling distance in the viewing mode have been increased.
- Increased the starting number of enemies.
- The spawn speed of enemies depends on the level of danger.
- Fixed a bug with the slot machine.
- Now you can win melee upgrades in the slot machine.
- The number of dropped ammunition and first-aid kits is slightly reduced.
- Item that gives +1 to maximum health is now less common.
- 50 deaths are now enough to get the "veteran" achievement.