Remove duplicate `NEWS.md` item (#961)

chore: document()

Increment version number to 2.2.3.9000

v2.2.3 (#960)

Switch license to MIT and add license files (#958)

chore: Convert internal datasets to use `{sf}` + require R 3.5 (#944)

chore: No longer import sp by default (#942)

feat: check tile providers in `addProviderTiles()` (#929)

docs: Replace {sp} with {sf} in pkgdown site; Fix a handful of broken examples (#928)

remove development mode auto from website

Update _pkgdown.yml to trigger website rebuild

feat: Expand available `{viridis}` palettes in `colorNumeric()` (#924)

docs: Add pkgdown function reference page (#925)

Fix: replace Stamen/Stadia in vignettes, function documentation, and `inst` examples (#913)

docs: use roxygen markdown (#914)