Add note about auto-generation of README

Author: Tajudeen

README.md

@@ -1,9 +1,11 @@
-# CortexIDE 
+# CortexIDE
 
 See https://opencortexide.com for CortexIDE's official download page.
 
 For maintainers: [`cortexide-builder/`](https://github.com/OpenCortexIDE/cortexide-builder#readme)
 
+**Note**: This README is automatically updated by CI builds. The download links below reflect the latest version.
+
 # Binaries
 
 ## Windows