Cherry Villages! (Mot's Structures)

WARNING! DO NOT UPDATE IF YOU HAVE AN UNEXPLORED STRUCTURE MAP!
Almost all of the structures natural generation was changed.
If you have a closed chart, it is okay if you unfold it after updating.
- The structure set for the villages were changed to imitate de vanilla structure set.
- The structure set for the pale manor was changed to imitate the vanilla pillager outpost structure set.
- Other structure sets like the wells, air balloons, resin crypts, landmarks and lonely huts were changed too.
- Small changes to some of the landmarks.
- Fixed some files related to the chart system, there should not be any chart errors now!
- Changed all birch structures.
- Changed some of the lonely huts.
- Added landmarks for the desert.
- Fixed some warnings popping up in the logs related to unexisting charts/maps and template pools of the wells.
- All of the files and files related to the air balloons were changed to say "balloon" instead of "baloon", oops.
- Removed a broken advancement that used to be in development so that warnings do not pop up in the log.
- Updated the pack.mcdata of the datapack for it to be apropiate for 26.2.