Added the ability to enter the game through a Steam account.

Bugs fixed

1. Unable to enter the map with the mod
   
2. First person view with too little view distance
   
3. Game modes were opened in the construction mode
   
4. The knife pierced through the blocks
   
5. Added a fire effect to the candle
   
6. When installing a custom decoration next to the one already set, another one was taken in the preview.