Update README with run instructions #105

Job	Run time
R Package Checks / revdeps-check	0s
R Package Checks / deps-main-check / deps-main	1m 25s
R Package Checks / codecov / test-coverage (ubuntu-latest)	1m 13s
R Package Checks / codecov / test-coverage (windows-latest)	2m 35s
R Package Checks / codecov / test-coverage (macOS-latest)	1m 37s
R Package Checks / check-R-updates / updated-files	3s
R Package Checks / docs-check / docs-check	1m 6s
R Package Checks / lintr / lint	1m 36s
R Package Checks / r-cmd-check / macOS-latest (release)	1m 24s
R Package Checks / r-cmd-check / windows-latest (release)	2m 26s
R Package Checks / r-cmd-check / windows-latest (4.1)	4m 51s
R Package Checks / r-cmd-check / ubuntu-latest (release)	1m 28s
R Package Checks / r-cmd-check / ubuntu-latest (devel)	1m 41s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-1)	1m 48s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-2)	1m 36s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-3)	1m 39s
R Package Checks / version-check	0s
	26m 28s

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