Added: new/changed png's of Item Armor/Shield

#83

src/main/java/de/hdm_stuttgart/battlearena/Model/Entity/GameplayObjects/ShieldItemFrame.java

@@ -45,10 +45,10 @@ public class ShieldItemFrame implements IEntity {
 
     @Override
     public void loadEntitySprites() {
-        frames[0] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ShieldItemFrameUp.png")));
-        frames[1] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ShieldItemFrameMiddle.png")));
-        frames[2] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ShieldItemFrameDown.png")));
-        frames[3] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ShieldItemFrameMiddle.png")));
+        frames[0] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ArmorFrameGreyUp.png")));
+        frames[1] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ArmorFrameGreyMiddle.png")));
+        frames[2] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ArmorFrameGreyDown.png")));
+        frames[3] = new Image(Objects.requireNonNull(getClass().getResourceAsStream("/textures/objects/itemFrames/ArmorFrameGreyMiddle.png")));
     }