Update README.md

Author: GBillotey

README.md

@@ -1,5 +1,8 @@
 [![test-linux](https://github.com/GBillotey/Fractalshades/actions/workflows/test-linux.yml/badge.svg)](https://github.com/GBillotey/Fractalshades/actions/workflows/test-linux.yml)
 [![test-windows](https://github.com/GBillotey/Fractalshades/actions/workflows/test-windows.yml/badge.svg)](https://github.com/GBillotey/Fractalshades/actions/workflows/test-windows.yml)
+[![build-windows](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_38.yml/badge.svg)](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_38.yml)
+[![build-windows](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_39.yml/badge.svg)](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_39.yml)
+[![build-windows](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_310.yml/badge.svg)](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_310.yml)
 [![build-windows](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_311.yml/badge.svg)](https://github.com/GBillotey/Fractalshades/actions/workflows/build-windows_311.yml)
 [![doc-deploy](https://github.com/GBillotey/Fractalshades/actions/workflows/doc-deploy.yml/badge.svg)](https://github.com/GBillotey/Fractalshades/actions/workflows/doc-deploy.yml)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)