1006 readme reorg

[stevepiercy]

Closes issue

Replace ISSUE_NUMBER with the issue number that your pull request fixes. Then GitHub will link and automatically close the related issue.

• Closes README no longer in docs #1006

Description

See commit history for details.

Checklist

• I've added a change log entry to CHANGES.rst.
• I've added or updated tests if applicable.
• I've run and ensured all tests pass locally by following Run tests.
• I've added or edited documentation, both as docstrings to be rendered in the API documentation and narrative documentation, as necessary.

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📚 Documentation preview 📚: https://icalendar--1069.org.readthedocs.build/

[coveralls]

Pull Request Test Coverage Report for Build 20725473741

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 97.816%

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Totals
Change from base Build 20716544411:	0.0%
Covered Lines:	10418
Relevant Lines:	10635

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💛 - Coveralls

[niccokunzmann]

This is tidier.