feat: create addPlayer2Notification basic command

There is a display bug on the frontend with this- it isn't quite aligned with
Player 2's RHS avatar

app/commands/BasicCommands.java

@@ -392,6 +392,27 @@ public class BasicCommands {
 		}
 	}
 	
+    /**
+	 * This command creates a notification box next to the portrait for the player 2 which contains
+	 * the specified text. It will be displayed for a number of seconds before being removed.
+	 * object.
+	 * @param out
+	 * @param text
+	 * @param displayTimeSeconds
+	 */
+	public static void addPlayer2Notification(ActorRef out, String text, int displayTimeSeconds) {
+		try {
+			ObjectNode returnMessage = Json.newObject();
+			returnMessage.put("messagetype", "addPlayer2Notification");
+			returnMessage.put("text", text);
+			returnMessage.put("seconds", displayTimeSeconds);
+			if (altTell!=null) altTell.tell(returnMessage);
+			else out.tell(returnMessage, out);
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
 	/**
 	 * Plays a projectile fire animation between two tiles
 	 * @param out