simple readme

README.md

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+# *flowR* Sample Codespace
+
+This is a template repository that you can use to try out the *flowR* extension for Visual Studio Code right in your browser using [GitHub codespaces](https://github.com/features/codespaces). You don't even need to create your own repository!
+
+<div align = center>
+
+[![](https://img.shields.io/badge/Create_a_flowR_Codespace-a32638?style=flat&logo=github)](https://github.com/codespaces/new?template_repository=flowr-analysis/vscode-flowr-sample)
+
+</div>
+
+## Things to Try