Packaging Employee Role — Supermarket Together Steam update #790791

Small routine patch: employees can now be reassigned to a first iteration of the order packaging role. Earning experience in packaging will make them move faster in that role and add an extra bonus product to the order per two levels up to a cap. Changelog: - Employees can now be assigned to Order Packaging. Employees won’t use tables but for now will instead roam around taking items in their order box and carrying them to placed pickup points so ordering tables are left free for players. If possible they will always prioritize taking products from storage, then store. - Implemented three new statistics/leveling for employees: technician, ordering and manufacturing. Manufacturing isn’t implemented yet but it was something very convenient to do now. - Modified the employee’s tab interface to reflect all the changes above: a new bar of stars for each new competence. Already hired employees...