Update README.md

Author: simbit18

README.md

@@ -1,2 +1,8 @@
 # nuttx-msys2
-Build Release Apache NuttX RTOS on MSYS2
+Build Release [Apache NuttX RTOS](https://github.com/apache/nuttx) on MSYS2
+# Testing GitHub Actions Workflows
+
+| Nuttx Release | Build Status |
+| ------------ | - |
+| **v8.2 make sim:nsh** CI builds | [![Nuttx-8.2 MSYS2](https://github.com/simbit18/nuttx-msys2/actions/workflows/nuttx_82_msys2.yml/badge.svg)](https://github.com/simbit18/nuttx-msys2/actions/workflows/nuttx_82_msys2.yml) |
+| **v9.1 make sim:nsh** CI builds | [![Nuttx-9.1 MSYS2](https://github.com/simbit18/nuttx-msys2/actions/workflows/nuttx_91_msys2.yml/badge.svg)](https://github.com/simbit18/nuttx-msys2/actions/workflows/nuttx_91_msys2.yml) |