wip - charts

wip; ecoregion + filter updates

changed proj of parquet to match pmtiles

fixed pmtiles zoom levels, fixed pmtiles filter

matching data script with main branch

adding in justice40

cleaned up clean up scripts!

Computing non-conserved land

Rename preprocess_part2.ipynb to preprocess/preprocess_part2.ipynb

move difference.ipynb to difference.ipynb

move preprocess.ipynb to preprocess/preprocess.ipynb