Update Alpha 3.0

WEAPONS

• added new weapons
• added shot animation

MAP

• added new locations
• updated the world map

CHARACTER

• fixed hand animation
• improved character model

ENEMIES

• added the ability to select the number and spawn interval of zombies
• optimized zombies

OTHER

• аdded new types of backpacks
• added merchants
• added pets (only on the test branch)
• added player name
• improved building system
• improved tree optimization