Add (file) IO checks #284

Job	Run time
R Package Checks / codecov / test-coverage	3m 33s
R Package Checks / docs-check / docs-check	3m 16s
R Package Checks / check-R-updates / updated-files	3s
R Package Checks / deps-main-check / deps-main	3m 20s
R Package Checks / lintr / lint	3m 53s
R Package Checks / r-cmd-check / macOS-latest (release)	2m 3s
R Package Checks / revdeps-check / revdep RMI-PACTA/workflow.pacta	21m 52s
R Package Checks / r-cmd-check / windows-latest (release)	3m 57s
R Package Checks / revdeps-check / revdep RMI-PACTA/workflow.pacta.report	23m 52s
R Package Checks / r-cmd-check / windows-latest (4.1)	7m 24s
R Package Checks / revdeps-check / revdep RMI-PACTA/workflow.pacta.webapp	24m 10s
R Package Checks / r-cmd-check / ubuntu-latest (release)	4m 56s
R Package Checks / r-cmd-check / ubuntu-latest (devel)	18m 22s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-1)	4m 6s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-2)	2m 55s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-3)	4m 25s
R Package Checks / r-cmd-check / ubuntu-latest (oldrel-4)	4m 38s
R Package Checks / version-check / version-check	52s
	2h 17m 37s

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