Patronage v1.0.0.0

Do you need a sponsor to build your farm?
Here you will find a wealthy patron who transfers money to you every hour.
As a sign that you are financially supported, you put a sign on your yard.
The patronage sign comes in three versions: wood, silver and gold.
Each sign costs 1 euro.
Hourly income:
- Wood: 60,000 / 50,000 / 40,000 euros
- Silver: 120,000 / 100,000 / 80,000 euros
- Gold: 600,000 / 500,000 / 400,000 euros