Data component format/potion contents

- [String][NBT Compound / JSON Object] minecraft:potion_contents: The base potion, custom list of mob effects, and custom color contained in this potion, splash potion, lingering potion, tipped arrow, or area effect cloud. When present on an item, the mob effects are listed in the item's tooltip. If this and a minecraft:consumable component are present on an item, consuming the item will apply all of the effects from this component to the player or mob that consumed it. If defined as a string, corresponds to [String] potion.
  - A custom potion contents object see Template:Nbt inherit/potion_contents/template