Fix package

JavaApp/src/main/java/net/kdt/pojavlaunch/PLaunchJFXApp.java

@@ -1,4 +1,4 @@
-package net.kdt.plaunch;
+package net.kdt.pojavlaunch;
 
 import java.io.*;
 
@@ -17,4 +17,4 @@ public class PLaunchJFXApp extends Application {
         stage.setScene(scene);
         stage.show();
     }
-}
+}