Silverfish Addons

# Soon, I will get this mod onto 1.15.2, and hopefully 1.16.1

Made armor now give potion effects:

     -Sornium Helmet gives Strength 1

     -Lithandril Helmet gives Night Vision and Strength 2

     -Lithandril Chestplate gives Resistance 2

     -Lithandril Leggings give Haste 2

     -Lithandril Boots give Speed 2

Created a new item: Extra Health Item

     -Gives 10 extra hearts of health until death

     -Cannot be used more than once