Old Brick Cow Barn v1.0.0.1

The modification includes one large barn built of various types of bricks and hollow bricks.
The buildings have several utility rooms, an attic, a garage and a room for milk tanks.

- maximum amount of cattle: 100
- price: 100 000 $
- daily maintenance: 500 $

Changelog 1.0.0.1:
- Model improved