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docs: rewrite the README in a tighter voice (#4) #71

Job	Run time
Unit Tests (ubuntu-latest)	1m 0s
pre-commit	1m 12s
Unit Tests (windows-latest)	2m 12s
Package (publish dry run)	38s
Fuzz (ASAN smoke)	2m 52s
Miri (undefined behaviour + leaks)	11m 2s
loom	33s
Finished Build and Test	4s
	19m 33s