Lists the vector basemap styles that set_basemap() and geolibre() accept
by name. Raster tile basemaps such as OpenStreetMap are added as layers with
add_tile_layer() instead.
Examples
basemaps()
#> liberty
#> "https://tiles.openfreemap.org/styles/liberty"
#> bright
#> "https://tiles.openfreemap.org/styles/bright"
#> positron
#> "https://tiles.openfreemap.org/styles/positron"
#> dark
#> "https://tiles.openfreemap.org/styles/dark"
#> fiord
#> "https://tiles.openfreemap.org/styles/fiord"
names(basemaps())
#> [1] "liberty" "bright" "positron" "dark" "fiord"