feat(badges): add Hugo version badges to README

Author: f-hollow

README.md

@@ -1,5 +1,8 @@
 # Developer Portal
 
+![Hugo min](https://img.shields.io/badge/Hugo%20min-0.141.0-blue)
+![Hugo max](https://img.shields.io/badge/Hugo%20max-0.152.2-blue)
+
 This project stores the files for the [Espressif Developer Portal][] website. GitHub Actions statically generate the website using Hugo and pushes it to a web server for online hosting.
 
 [Espressif Developer Portal]: https://developer.espressif.com/