README improvements for upcoming public announcements #1255

Job	Run time
Run CI / Build / Build	1m 2s
Run CI / Generate docs / Generate docs	48s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.8)	51s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.9)	47s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.10)	47s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.11)	49s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.12)	1m 1s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.8)	1m 20s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.9)	1m 39s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.10)	1m 10s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.11)	1m 21s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.12)	1m 23s
Run CI / Run system tests / Run system tests (win-10-py32)	1s
Run CI / Run system tests / Run system tests (win-10-py64)	1s
Run CI / Report test results / Report test results	9s
	13m 9s

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