test + Board pieces Array

src/Main.java

@@ -24,6 +24,7 @@ public class Main {
 		// launches graphical interface : 
 		MyInterface mjf = new MyInterface();
 		mjf.setVisible(true);
+		//test push
 	}
 
 }

src/backend/Board.java

@@ -5,6 +5,7 @@ import java.util.ArrayList;
 public class Board {
 	private int colNum;
 	private int lineNum;
+	ArrayList<Piece> pieces = new ArrayList<>();
 		
 	public Board(int colNum, int lineNum) {
 		this.colNum=colNum;