* docs(README): add a warning about node version

* Update README.md

Co-authored-by: Jan Romann <jan.romann@uni-bremen.de>

* docs(README): review fix newline

Co-authored-by: Jan Romann <jan.romann@uni-bremen.de>

* Update README.md

Co-authored-by: danielpeintner <daniel.peintner@gmail.com>

* docs(readme): improve Node.js support warning

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Co-authored-by: Jan Romann <jan.romann@uni-bremen.de>
Co-authored-by: danielpeintner <daniel.peintner@gmail.com>