This project is the idle clicker game which you play as the swordmaster whose object is to kill the monsters
by click at them. When a monster die you got a gold. Gold use for upgrade your sword for a better damage , buy skills
for easier game play (Like double damage or critical) and hire a friends to help you fight with the monster (friend is auto attacking).

2.1) Factory Pattern
    - MonsterFactory
    - FriendFactory

    Use index for create a monster or friend instead of call its classes itself.

2.2) Strategy Pattern
    - SkillHero
    - DoubleDamage_Skill
    - Critical_Skill

    A SkillHero interface use to represent those 2 concrete class that do similar thing.

2.3) State Pattern
    - PlayState
    - SkillMenuState
    - FriendMenuState
    - ListSkillMenuState
    - MenuState

    A State for swaping menu bar etc.

2.4) Observer Pattern
    - PlayState
    - SkillHero
    - TextDmg
    - TextDmgPool

    These classes update in the playstate for real time update in game.

2.5) Flyweight Pattern
    - MyFriend
    - All classes in package friends

    These classes implements the MyFriend interface and use the same method when use in other classes.

GRASP
    Creator : 
        - PlayState create Player
        - PlayState create monster
        - Player create Skill
        - TextDmgPool create TextDmg
        
    Information Expert :
        - MonsterFactory have all monster
        - PlayState have player , monsterfactory , hpbar, textdmg,etc.
    
    Low Coupling :
        - We Seperate skill classes (DoubleDamage_Skill,Critical_Skill).
        - We Use MonsterFactory to create monster so Playstate cant affect monster.
    
    Polymorphism :
        - SkillHero Have Concrete classes DoubleDamage_Skill and Critical_Skill.
        - MyFriend Have Concrete classes Legolas,Frodo,Gimli,Gandalf,Aragon,Saruman
        
    Controller :
        - Playstate control game play in usual way.
        - SkillMenuState control skills bought.
        - FriendMenuState control friends hired.
        - ListSkillMenuState control skills used.