Mapshader

- Respecting geometry_field when setting default fields
- Separated render functions into get and renderers
- Added psutils perfomance stats (69)
- Removed double run and moved unnecessary in loop declaration (68)
- Added basic CLI and examples command (80)
- Added flake8 Github Action (77)
- Added PyPi Publish Github Action (84)

- Added support for `mapshader.core.to_raster` function for all sources
- Added support for instaniating MapSource directly with `gpd.GeoDataFrame`

- Added support for grouped / non-grouped discrete colormaps via legend
- Added legend endpoints
- Added legend config object
- Added discrete colormaps for raster (should be moved into datashader later)
- Added flask cors rule (35)

- Added raster_to_categorical_points transform; added ability to manully instantiate services to support integrations
- Added hello message
- Fixed raster overview generation
- Removed datashader line conversion; fixed raster overviews
- Fixed double export
- Fixed boundaries service
- Added tif to netcdf prep script
- Fixed tile render bug
- Fixed user config bug
- Restrucutred sources and added services classes
- Added support for NetCDF-backed dask arrays
- General fixes
- Added padding and performance fixes for raster layers

- Added user configs

- Many stability fixes