feat: multi synced player scores

app/src/main/java/game/Player.java

@@ -8,10 +8,20 @@ public class Player implements Serializable {
 
 	private final String pseudo;
 	private final int id;
+	private int score;
 
 	public Player(int id, String pseudo) {
 		this.pseudo = pseudo;
 		this.id = id;
+		this.score = 0;
+	}
+
+	public int getScore() {
+		return score;
+	}
+
+	public void setScore(int score) {
+		this.score = score;
 	}
 
 	public String getPseudo() {