Add codespell support (config, workflow to detect/not fix) and make i… #50

Job	Run time
test-potential-wheel-install	5m 13s
test-source-install (3.8)	6m 50s
test-source-install (3.9)	4m 54s
test-source-install (3.10)	7m 23s
test-source-install (3.11)	2m 38s
	26m 58s

Provide feedback