Added acacia trees

Added food to the game.

Difficulty settings!

I added three new mobs that will spawn randomly in the world:

Wolf, Pig, and Turkey.

Some of them are friendly, some of them are hostile.

Settings!

New mobs: Snake, Ostrich and Goat

I added a background for the game menu which has a day / night cycle!

https://youtu.be/kzA5KOlEIBI

New devlog video on Youtube

Trying to implement biomes, here are some randomly generated maps

All the new biomes: Lava Mountains, Desert, Winter