Emerald Ore

[MonoAdrian23]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when

Describe the solution you'd like A clear and concise description of what you want to happen.

Add Emerald Ore spawning in Custom Generator please.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.