update v31.7

- Let's start this new theme, that will feature many different museum types!
- Today's is pretty small cause I was short on time
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- Added the vertical version of the ticket turnstile and its open animation
- Added a wooden bench and an hanging ancient pot expositor
- Added 2 ancient pots to display on the hanging expositor
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  *Everyone who already bought the asset can get the new stuff for free

See you and happy game-making! :)