[rbcommenttype] Modernize the package metadata and description.
Review Request #11710 — Created July 7, 2021 and submitted
This provides new README content in ReStructuredText, included as part
of the package metadata, meaning that it will show up on PyPI. The new
README has some of our standard boilerplate from other READMEs, modern
installation instructions, and formats some of the text to read better
on both GitHub and in PyPI.
The package metadata has been updated to include a list of supported
Python versions and some categorization topics.
Universal wheels are now built using
Rendered the new README, and checked for syntax errors and bad links.
Built the package and ensured that the README was included and
contained the new metadata.