Update README.md

Author: juanjol

README.md

@@ -1,4 +1,5 @@
 [![tests](https://github.com/Metadrop/ddev-mkdocs/actions/workflows/tests.yml/badge.svg)](https://github.com/Metadrop/ddev-mkdocs/actions/workflows/tests.yml) ![project is maintained](https://img.shields.io/maintenance/yes/2024.svg)
+![GitHub Release](https://img.shields.io/github/v/release/Metadrop/ddev-mkdocs)
 
 * [What is DDEV Mkdocs Add-on?](#what-is-ddev-mkdocs-add-on)
 * [Getting started](#getting-started)
@@ -43,4 +44,4 @@ To start building your docs you can read the [Mkdocs getting started guide](http
 
 ### View the documentation
 
-Mkdocs documentation can be accesed in https://${PROJECT_NAME}.ddev.site:9005
+Mkdocs documentation can be accesed in https://${PROJECT_NAME}.ddev.site:9005