Add Contrib Guidelines

CONTRIBUTING.md

@@ -0,0 +1,52 @@
+<div align="center">
+<img src="https://github.com/user-attachments/assets/13750466-7d65-492f-9250-420da5467d2d">
+
+# Contributing to A-SIT Plus Open Source
+
+</div>
+
+We are happy to receive external contributions!
+"Just" opening issues for encountered problems is greatly appreciated too!
+
+## Reporting Issues
+
+We welcome constructive feedback and enquiries of any kind! Just be sure to check existing issues first to avoid duplicates.
+Please try to be as precise as possible and provide a reproducer (where applicable).
+
+## Contributing Changes
+
+We expect the contributor to hold all rights to the contributions they are about to commit.
+We particularly condemn copyright infringement and expect contributors to respect this position and strictly observe applicable law!
+
+If you plan on contributing changes to this repository's contents, please
+
+1. Fork it
+2. Create a branch with a descriptive name (e.g. `feature/timeTravel` or `fix/gravitationalConstant`)
+3. Commit your changes to your branch
+4. Open a pull request
+
+We will then review the changes, provide feedback.
+Once we agree that the PR is ready, we will approve it, and your PR will be merged.
+
+This project **does not** require external contributors to sign a Contributor License Agreement (CLA)!
+Contributions are only subject to the terms of this project's license.
+
+### Coding Conventions
+
+We try to follow the [official Kotlin coding conventions](https://kotlinlang.org/docs/coding-conventions.html) and expect the same from external contributors.
+We don't have any automated checks in place and hence don't strictly enforce convention rules by hard, but we will manually check for obvious violations.
+To put it plain and simple:
+
+> When in Rome, do as the Romans do!
+
+
+<br>
+
+<hr>
+<div align="center">
+
+Copyright &copy; 2024 A-SIT Plus GmbH, Seidlgasse 22 / Top 9, 1030 Vienna, Austria
+
+<img src="https://a-sit-plus.github.io/logo_kurzertext.svg" width="163" height="64">
+
+</div>

README.md

@@ -233,6 +233,11 @@ The key can be passed in either encoding to the secure enclave when creating an
 
 <br>
 
+## Contributing
+External contributions are greatly appreciated!
+Just be sure to observe the contribution guidelines (see [CONTRIBUTING.md](CONTRIBUTING.md)).
+
+
 ---
 <p align="center">
 This project has received funding from the European Union’s Horizon 2020 research and innovation