Expand documentation

[GregoryPetrochenkov-NOAA]

This PR addresses #157.

Additions

• SphinxSubsampleTutorial.ipynb/SphinxCatalogTutorial.ipynb: New notebooks for documentation
• catalog.rst: Add catalog documentation
• subsampling.rst: Add subsampling documentation
• benchmark_catalog_0/1.csv
• benchmark_categorical_0/1/tif
• benchmark_continuous_0/1.tif
• benchmark_map_mutliband_two_class_categorical.tif
• categorical_catalog_0/1.csv
• candidate_categorical_0/1.tif
• candidate_continuous_0/1.tif
• candidate_map_mutliband_two_class_categorical.tif
• subsample_continuous_polygons.gpkg
• subsample_continuous_two-class_polygons.gpkg

Changes

• docs/compile_readme_and_rearrange_docs.py: Add subsample and catalog documentation
• api.rst: Add catalog.rst
• index.rst: Add subsampling and cataloging tutorials
• gval_dataframe.py: Add inplace geometry set for subsampling dataframe
• pyproject.toml: Update version