DOC: updated README.md

README.md

 [![pipeline status](https://gitlab.com/caosdb/caosdb-pyinttest/badges/dev/pipeline.svg?job=codestyle)](https://gitlab.com/caosdb/caosdb-pyinttest/commits/dev)
 
-# Welcome
+# README
 
-This is the **CaosDB Python Integration Tests** repository and a part of the
+## Welcome
+
+This is the **CaosDB Python Integration Testing** repository and a part of the
 CaosDB project.
 
-# Getting started #
+## Getting started #
 
 - To run tests, start up a CaosDB server with (documentation for this can be found elsewhere).
   - The CaosDB server must have debugging enabled.
@@ -15,16 +17,34 @@ CaosDB project.
 - If you want to run just a single test, you can also select a single test file:  
   `pytest-3 tests/test_issues.py`
 
-# Further Reading
 
-Please refer to the [official gitlab repository of the CaosDB
-project](https://gitlab.com/caosdb/caosdb) for more information.
+## Further Reading
+
+Please refer to the [official documentation](https://caosdb.gitlab.io/caosdb-pylib/) for more information.
+
+## Contributing
+
+Thank you very much to all contributers—[past, present](https://gitlab.com/caosdb/caosdb/-/blob/dev/HUMANS.md), and prospective ones.
+
+### Code of Conduct
 
-# License
+By participating, you are expected to uphold our [Code of Conduct](https://gitlab.com/caosdb/caosdb/-/blob/dev/CODE_OF_CONDUCT.md).
 
-Copyright (C) 2018 Research Group Biomedical Physics, Max Planck Institute for
-Dynamics and Self-Organization Göttingen.
+### How to Contribute
+
+* You found a bug, have a question, or want to request a feature? Please
+[create an issue](https://gitlab.com/caosdb/caosdb-pyinttest/-/issues).
+* You want to contribute code? Please fork the repository and create a merge
+request in GitLab and choose this repository as target. Make sure to select
+"Allow commits from members who can merge the target branch" under Contribution
+when creating the merge request. This allows our team to work with you on your request.
+- You can also contact us at **info (AT) caosdb.de**.
+
+## License
+
+* Copyright (C) 2018 Research Group Biomedical Physics, Max Planck Institute
+  for Dynamics and Self-Organization Göttingen.
+* Copyright (C) 2020-2021 Indiscale GmbH <info@indiscale.com>
 
 All files in this repository are licensed under a [GNU Affero General Public
 License](LICENCE.md) (version 3 or later).
-