Nothing
GenomicRanges is an R/Bioconductor package for representing and manipulating genomic intervals.
See https://bioconductor.org/packages/GenomicRanges for more information including how to install the release version of the package (please refrain from installing directly from GitHub).
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.