added path finding algorithm

src/de/miaurizius/jgame2d/core/GamePanel.java

@@ -1,5 +1,6 @@
 package de.miaurizius.jgame2d.core;
 
+import de.miaurizius.jgame2d.ai.PathFinder;
 import de.miaurizius.jgame2d.core.enums.GameState;
 import de.miaurizius.jgame2d.core.enums.Map;
 import de.miaurizius.jgame2d.core.handlers.*;
@@ -33,7 +34,7 @@ public class GamePanel extends JPanel implements Runnable {
     int fScreenWidth = screenWidth;
     int fScreenHeight = screenHeight;
     BufferedImage tempScreen;
-    Graphics2D fg2;
+    public Graphics2D fg2;
 
     // WORLD SETTINGS
     public final int maxWorldCol = 50;
@@ -54,6 +55,7 @@ public class GamePanel extends JPanel implements Runnable {
     public Sound sfx = new Sound();
     public Sound music = new Sound();
     public Config config = new Config(this);
+    public PathFinder pFinder = new PathFinder(this);
     Thread gameThread;
 
     // ENTITY AND OBJECT