Pluto's Drinks API

## Additions
- Added an empty mug item for use in Pluto's Coffee and Tea Time
- Drinks in mugs can be given additions by right clicking on the cup with the ingredient

## Changes
- Sip amounts are no longer determined by item durability, rather by a custom tag called `Sipped`.
- The "Specialty Drinks" creative tab icon has been changed to the PDAPI Icon (a custom item only obtainable through commands)
- The current level must be used to obtain the Specialty Drink and Drink Addition managers
  - use `Level.getSpecialtyDrinkManager()` and `Level.getDrinkAdditionManager`
- Adds support for (and embeds) Chemicals 2.0.x, using `ConsumedInstances` and `AbsorptionType`s