Merge pull request #17765 from gadkins/uffizzi-shields-badge

Uffizzi shields badge

.github/vale/Vocab/Backstage/accept.txt

@@ -391,6 +391,7 @@ transpilers
 truthy
 TSDoc
 typeahead
+Uffizzi
 ui
 unbreak
 Unconference

README.md

@@ -9,6 +9,7 @@
 ![Code style](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)
 [![Codecov](https://img.shields.io/codecov/c/github/backstage/backstage)](https://codecov.io/gh/backstage/backstage)
 [![](https://img.shields.io/github/v/release/backstage/backstage)](https://github.com/backstage/backstage/releases)
+[![Uffizzi](https://img.shields.io/endpoint?url=https%3A%2F%2Fapp.uffizzi.com%2Fapi%2Fv1%2Fpublic%2Fshields%2Fgithub.com%2Fbackstage%2Fbackstage)](https://app.uffizzi.com/ephemeral-environments/backstage/backstage)
 
 ## What is Backstage?