report: Produce reports
In jomuller/vvs: Analyse des fichiers VisualValoSej

Produce html reports from a rmd file. It's mainly a wrapper arrond rmarkdown::render()

1 2	report(rmd, n_file = NULL, open_file = TRUE, report_dir = "reports", rmds_dir = "rmds")

`rmd`	name of the rmd file
`n_file`	prefix numbering of the output file
`open_file`	open the html file in the default browser once produced. By default, `TRUE`.
`report_dir`	target directory for the reports
`rmds_dir`	source directery for the `.Rmds` files. By default, the directory rmds.