camapping is a collection of commonly used vector data in California.
You can install the released version of camapping from GitHub with:
remotes::install_github("ir-sfsu/camapping")
library(camapping)
library(mapview)
mapview(counties)

mapview(cities)

mapview(schools)

mapview(regions)

Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.