Add added methods to IPlayer interface

src/main/java/gametypes/NLimitHoldem/interfaces/IPlayer.java

@@ -1,7 +1,15 @@
 package gametypes.NLimitHoldem.interfaces;
 
+import deck.Card;
+
 /**
  * Created by oliv on 6/28/15.
  */
 public interface IPlayer {
+    void addCard(Card card);
+    int  handSize();
+    void fold();
+    void bet(int amount);
+    void raise(int amount);
+    void check();
 }