Changes:
- Added customizable plots with a minimum size of 1x1x1 to a maximum of 20x20x20.
- All existing plots have been deleted due to the new plot system.
- Plot rent depends on its 3D space, from 10 gold to 100 gold per block space.
- Plots can be built side-by-side.

Fixes:
- Unable to build beds in an inn.