Global update, including bug fixes and improvement of the "quality of life" of the player.

List of changes:

1. Added tooltips for interface elements and map objects.
   
2. Added "hot keys" and scrolling of lists with the mouse wheel.
   
3. Added information about the unit in all windows.
   
4. Added the ability to remove units from the army.
   
5. The resource panel is now displayed in all windows where it is required.
   
6. Improved the contrast of interface elements with the background.
   
7. Added indication of enemy heroes.
   
8. Added display of the army of a hero or monster when right-clicking on it.
   
9. Added windowed mode.
   
10. The sound setting can now be minimized.
    
11. Improved AI.
    
12. Fixed a bug where sometimes, instead of winning a mission, a defeat was counted.
    
13. Fixed a bug with the inability to specify the target for some spells.
    
14. Fixed a bug with sometimes not closing tutorial windows.
    
15. Fixed a bug with freezing on the course of the enemy in battle.
    
16. Fixed a bug where when moving to another hero, units disappeared from the army
    
17. Fixed a bug with the game freezing when the "bomb" ability is triggered.
    
18. Fixed a bug with sometimes overlapping music tracks.