add Charts/README #1300

Job	Run time
check / pr	4s
helm / Package and Push Helm Chart	6s
lint / run	59s
docs / build	2m 57s
test (ubuntu-latest, dev) / run	1m 6s
test (ubuntu-latest, 3.12) / run	1m 19s
dist / build	39s
test (ubuntu-latest, 3.11) / run	1m 11s
pypi	0s
release	0s
	8m 21s

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