[New Feature] Add a %random-value% or min/max value for chests

[maxlehot1234]

Describe the solution you'd like us to implement.

Implement something that will add a better chest loot-table system in the game.
This will looks like this:
https://gist.github.com/maxlehot1234/ff17a133f877880a02d2b754e5ec6424

It will implement a new chance system and will make the file smaller and easier to manage for sure.
In fact, like it was in the main OneBlock map.

Thanks again

[maxlehot1234]

#64 Probably much better than this

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