Bartering, filtering, and sorting - Java 1.16.4

Description

I've built a single-cell bartering station (might add more), that sends its output into a potion filter. Anything that's not a potion then gets sent into this double array of multi-item sorters. Thanks to [Mysticat](https://www.youtube.com/channel/UC9mvRrl9o7rG65ABsGVvDBw), [ImpulseSV](https://www.youtube.com/channel/UCuMJPFqazQI4SofSFEd-5zA), and [Gnembon](https://www.youtube.com/channel/UCRtyLX-ej-H1PSiaw8g9aIA) (respectively) for the YT tutorials.