Bypass WB firewall in installation of packages from CRAN

[luisesanmartin]

The firewall of WB computers might reject access to CRAN packages from R. The error in such cases shows the following

This can be solved in RStudio by deactivating the use of the secure download for HTTP in Tools >> Global Options >> Packages

Credits: https://community.rstudio.com/t/install-packages-unable-to-access-index-for-repository-try-disabling-secure-download-method-for-http/16578