Commit
1a1a160b91e4eb53ac0930bc0fb778bb04edceac
by noreplyElytra boosting (firework) controls (#2301)
* Mech + start on event
* Add `player boosts elytra` + fix up mech
* Add `registerTags()`
* Fix up mechanism meta
* Move mech into `PaperPlayerProperties` + remove `fireworkEntity`
(commit: 1a1a160)