move build configuration into pyproject.toml

[zacharyburnett]

setuptools now supports the [project] table, which is defined by PEP621.

Additionally, setuptools now supports its own entry in pyproject.toml called [tool.setuptools] (pypa/setuptools#1688, https://setuptools.pypa.io/en/latest/userguide/pyproject_config.html#setuptools-specific-configuration); however, it comes with the following disclaimer:

Support for declaring configurations not standardized by PEP 621 (i.e. the [tool.setuptools] table), is still in beta stage and might change in future releases.

Support for the tool.setuptools table will likely be in beta until toml is natively supported with the release of Python 3.11.

Given this, we can attempt to consolidate the build configuration into a single pyproject.toml file that can possibly be read by other build systems in the future.

[schlafly]

Thanks. I have no experience with this kind of packaging and will defer to you. Should we go ahead and merge this?

[zacharyburnett]

Thanks. I have no experience with this kind of packaging and will defer to you. Should we go ahead and merge this?

I'd wait until the unit tests are in so we can test it, but sure

[codecov]

Codecov Report

Base: 0.88% // Head: 0.88% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (6c4fd91) compared to base (c63a76b).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@          Coverage Diff          @@
##            main     #13   +/-   ##
=====================================
  Coverage   0.88%   0.88%           
=====================================
  Files         12      12           
  Lines        792     791    -1     
=====================================
  Hits           7       7           
+ Misses       785     784    -1     

Flag	Coverage Δ
unit	0.88% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
setup.py	0.00% <0.00%> (ø)

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