Elytra Backtank

This mod adds an elytra backtank to the Create mod.

Features:

• Craft the elytra backtank with an elytra and a netherite backtank. (waow)
• Use the air in the backtank to boost.
• No durability; fly until you run out of fuel
• Also adds a speedometer so that you can see whether you can reach ignition speed.