Refactor the docs to promote user functions #269

Job	Run time
Build & verify package	37s
Verify dev env / ubuntu-latest	34s
Verify dev env / windows-latest	1m 12s
Verify dev env / macos-latest	44s
Python 3.7 / ubuntu-latest	58s
Python 3.8 / ubuntu-latest	48s
Python 3.9 / ubuntu-latest	1m 26s
Python 3.10 / ubuntu-latest	1m 0s
Python 3.11 / ubuntu-latest	40s
Python 3.12.0-rc.1 / ubuntu-latest	1m 7s
Python pypy3.9 / ubuntu-latest	1m 52s
Python 3.7 / macos-latest	1m 42s
Python 3.8 / macos-latest	1m 45s
Python 3.9 / macos-latest	7m 4s
Python 3.10 / macos-latest	1m 22s
Python 3.11 / macos-latest	3m 16s
Python 3.12.0-rc.1 / macos-latest	4m 47s
Python pypy3.9 / macos-latest	3m 6s
Python 3.7 / windows-latest	1m 35s
Python 3.8 / windows-latest	1m 50s
Python 3.9 / windows-latest	4m 7s
Python 3.10 / windows-latest	1m 32s
Python 3.11 / windows-latest	1m 17s
Python 3.12.0-rc.1 / windows-latest	5m 49s
Python pypy3.9 / windows-latest	3m 52s
coverage	17s
	54m 19s

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