Add more checks on repo status #24

Job	Run time
R Package Checks / codecov / test-coverage	1m 25s
R Package Checks / lintr / lint	1m 34s
R Package Checks / docs-check / docs-check	1m 17s
R Package Checks / check-R-updates / updated-files	4s
R Package Checks / r-cmd-check / macOS-latest (release)	2m 2s
R Package Checks / r-cmd-check / windows-latest (release)	4m 48s
R Package Checks / r-cmd-check / windows-latest (3.6)	3m 24s
R Package Checks / r-cmd-check / windows-latest (4.1)	4m 26s
R Package Checks / r-cmd-check / ubuntu-latest (release)	1m 44s
R Package Checks / r-cmd-check / ubuntu-latest (devel)	1m 34s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-1)	1m 58s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-2)	1m 59s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-3)	1m 38s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-4)	1m 46s
R Package Checks / version-check / version-check	1m 33s
	31m 12s

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