Task 1: Use design pattern and implement UnitFactory

Use factory design pattern and create a factory with two methods;

• The first method must create a Unit based on type, name, and health value.
• The second method must return a list with n number of Units based on type, name, and health value. This method is used when a large number of units of the same type is needed.

Refactor the wargames-code in such a way that the factory is used appropriatly.