Potion Effect Icon

 This resource pack make the icon of potion the icon of effect. Icon are from `mob_effect`, in other words the icon depends on the resource pack you use or default. Long duration potion are represent with clock icon on bottom right. Strong/level II potion are represent with a plus on bottom right. Splash potions are represent with a gunpowder on top left. Potion of the Turtle Master use the resistance icon. Lingering potion are not modified as no one use them and I could not find a good icon.