Add CRAN badge

README.Rmd

@@ -28,6 +28,7 @@ knitr::opts_chunk$set(
 [![Codecov test coverage](https://codecov.io/gh/{{ gh_repo }}/branch/main/graph/badge.svg)](https://app.codecov.io/gh/{{ gh_repo }}?branch=main)
 [![Lifecycle:
 experimental](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](https://lifecycle.r-lib.org/articles/stages.html#experimental)
+[![CRAN status](https://www.r-pkg.org/badges/version/epichains)](https://CRAN.R-project.org/package=epichains)
 <!-- badges: end -->
 
 _{{ packagename }}_ is an R package to simulate, analyse, and visualize the size