New update b0.1

this update brought many small and large improvements to the game.
 Small improvements: 

1.AI began to move around the house 

2. Changes in the drawing of the skybox 

3. rain outside became like rain.

  Global improvements: 

1. The AI character model has been changed to a more terrible one, 

2. The Event system has been added,

 3. The music in the background is changing,

 4. a gigantic work has been done on the graphics, which is close to realism, 

5 shadows have been worked out at the highest level, 6 a full-fledged  plot