Merge pull request #1 from crazy-max/update-readme

update readme

Author: crazy-max

README.md

@@ -1,3 +1,6 @@
+> [!CAUTION]
+> Do not use it for your production workflows yet!
+
 # GitHub Builder
 
 This repository provides official Docker-maintained [reusable GitHub Actions workflows](https://docs.github.com/en/actions/how-tos/reuse-automations/reuse-workflows)