Add college building

Version 0.9.10.0 June 12, 2025

1. Add [color=yellow] college building [/color]. [color=yellow] (Remember to research technology unlocking) [/color]
2. Added vocational training function, which can increase the upper limit of vocational level.
3. Fixed errors in the domestication ability of zoos in certain situations.
4. Optimized and remade the experience acquisition formula for some buildings.

[color=yellow] Thank you all for your support! If you like games, remember to give a positive review on Steam to encourage youThank you on your knees[/color]

One more AD: Friends who like to place hang-ups look here, the author's two old games,

https://store.steampowered.com/app/1649730/_/

https://store.steampowered.com/app/2423620/_/

https://store.steampowered.com/bundle/49102/__Author_of_all_games/