added inventory

this should fix it, i just did this from my browser so didn't do a test
run but i'm pretty sure this should work
Fixed Crash when opening OxidationChamber's GUI
Completed Container rewrite

Now it’s super easy to add new containers!
Merge branch 'pr/1'

Conflicts:
	java/erates/realmachines/tileentities/TileMachineOxidationChamber.java