Create: Gravel extractors - CGE

Hello everyone and welcome back, its been a long time since i updated this mod so, im back i coming with another update.

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This update adds:

• a new extractor: "Emerald Extractor"

• and starter book, NOT IMPLEMENTED YET

Bug fixes and balance changes:

changed some advancments changed brass nugget recipce

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Things that will be fixed in future:

Extractors eating gravel Booster Texture and soo much more