The package bpexploder provides an HTML Widget that makes boxplots that explode upon mouse-click into individual-value plots. The plots allow for a modest amount of customization, including tool-tips.
This post provides a bit of guidance for students in CSC 115 who are working on the Madhava graph exercise in Chapter 4 of the course text.
I tweaked a couple of simple Hugo themes for use by R-bloggers along with the blogdown package. If you prefer minimal themes you might wish to start with one of these.
This is possibly useful if you are deploying your site from a Github User page but the source files are in another repository.