Update Readme and base structure.

Java-Knight/src/main/java/org/project/entity/enemies/Enemy.java

@@ -1,6 +1,6 @@
 package org.project.entity.enemies;
 
-import org.project.object.weapons.Weapon;
+import org.project.item.weapons.Weapon;
 
 // TODO: UPDATE IMPLEMENTATION
 public abstract class Enemy {
@@ -15,7 +15,6 @@ public abstract class Enemy {
         this.weapon = weapon;
     }
 
-    // TODO: (BONUS) UPDATE THE FORMULA OF TAKING DAMAGE
     @Override
     public void takeDamage(int damage) {
         hp -= damage;

Java-Knight/src/main/java/org/project/entity/enemies/Skeleton.java

@@ -2,5 +2,5 @@ package org.project.entity.enemies;
 
 // TODO: UPDATE IMPLEMENTATION
 public class Skeleton {
-    // TODO: DESIGN ENEMY'S WEAPON AND ARMOR AND IMPLEMENT THE CONSTRUCTOR
+    // TODO: DESIGN ENEMY AND IMPLEMENT THE CONSTRUCTOR
 }