Update reproducer README.md

Author: cortinico

README.md

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 # React Native Reproducer
 
+> [!IMPORTANT]  
+> Do not just **fork** this repository, but use instead the [![Use this template](https://img.shields.io/badge/-Use%20this%20template-brightgreen)](https://github.com/cortinico/reproducer-react-native/generate) button on GitHub.
+
 This is the React Native **reproducer** template. 
 
 You can use this template to create a minimal, complete, and reproducible project that the community can use to understand what's your problem. You can read more about the principles of a good reproducible project [here](https://stackoverflow.com/help/mcve).