Geocontour

Converted docstrings to numpydoc format
Updated documentation w/ hosting on readthedocs
Re-structured example and timing subpackages for simplicity and functionality

Fix to matplotlib/pyplot calls that broke under new matplotlib version (3.7.1)

Altered mask search functions to utilized Shapely2.x vectorized functionality - speed improvements
Added plotting option to plot without lat/lon labels
Altered output file formats for .xyz output mode

Added timing module to tests
Added precision input to mask search functions that use matplotlib.Path
Added fancy contour search functionality for easier viewing/diagnostics
Added transparent plot mode
Altered cell re-trace behavior for Moore tracing
Altered checks to start for Moore tracing
Altered/expanded examples
Added DOI and citation specifics
Added pypi classifiers
Various minor changes to documentation/warnings

First release of geocontour for general use