brochure
I'd be curious if anyone has worked with brochure?
Colin released this pages to build multpage Shiny apps,
He gave a talk to the NHS R community in Feb, NHS-R Webinar: Building Multiple Page Shiny Apps with {brochure} - February 2022 - YouTube
shiny.router
Another approach is working with shiny.router. I think the gist of shiny.router is to preserve state in the url, so as people click around the app update the visualization, these actions update the URL.