update v32.4

- Let's start this new theme, that will feature many different museum types!
- Natural science museum from tomorrow!
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- Added 3 ancient tools sets to display in the new item expositor
- Added a big item expositor with a set of ancient tools to display
- Added a lectern with some books and info sheets

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*Everyone who already bought the asset can get the new stuff for free

See you and happy game-making! :)