docs: add CONTRIBUTING.md file

b95d766a · Jan Wennrich · a5982019 · b95d766a
Bestätigt Commit b95d766a erstellt 10 months ago von Jan Wennrich
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
+# Contributing
+
+This package follows the [QUIQQER contribution guidelines](https://dev.quiqqer.com/quiqqer/stabilization/documentation/-/wikis/home).
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