Sanity update

Hi !

I made update that introduces main game mechanics

I learned so many new things and using that knowledge making new update will be a piece of cake. What i added:

Sanity stealer enemy

Sanity stealer staff

2 blood enemies(that drop sanity points)

Sanity points

Sanity mechanics

Menu fixes

Player movement fixes

Win and loose screen fixes

Next update theme will be: music!