correction in the create file of create_rmd().
functions used in create_rmd() can be removed using a NULL value.
rjdmarkdown now depends on RJDemetra.
SystemRequirements update for CRAN policies.
create_rmd to create and render a R Markdown from a specific object: SA, jSA, sa_item, multiprocessing (all the models of the multiprocessing are printed) or workspace object (all the models of all the multiprocessing of the workspace are printed).