Extend List instead of composing list

[yonasadiel]

This Hand and Deck is basically a list of Card. Some methods like contain, getSize, etc have already been defined in Java List Interface. Why don't we create class Hand extends ArrayList instead?

https://github.com/William9923/CardGameOOP/blob/2fc745ec072ade073f5a9d2a06789045347dff5e/src/main/java/com/avatarduel/model/Hand.java#L7-L22

https://github.com/William9923/CardGameOOP/blob/2fc745ec072ade073f5a9d2a06789045347dff5e/src/main/java/com/avatarduel/model/Deck.java#L7-L20

This issue is only a suggestion. You may ignore it (not all the suggestions are true), challenge it, or come up with another idea yourself.

[William9923]

fixed