Add: Added Javadoc For "toStringBoard" Method In PlayableCard.java.

src/main/java/it/polimi/ingsw/gc14/Model/PlayableCard.java

@@ -45,6 +45,14 @@ public abstract class PlayableCard implements Serializable {
     public String toString() {
         return "⎕:";
     }
+
+    /**
+     * Prints a string representation of this {@code PlayableCard}. This specific variation is used in the {@code Game}'s
+     * toString to print a more detailed version (in this specific case the two methods are equal).
+     * @return {@code String} - a string representation of this {@code PlayableCard}.
+     * @see it.polimi.ingsw.gc14.Model.Game Game
+     * @see it.polimi.ingsw.gc14.Model.GamePackage.Board Board
+     */
     public String toStringBoard()
     {
         return "⎕:";