Cleanup codeowners and contributing files (SAP#531)

CODEOWNERS

@@ -5,7 +5,7 @@
 # For more details, read the following article on GitHub: https://help.github.com/articles/about-codeowners/.
 
 # These are the default owners for the whole content of the `luigi` repository. The default owners are automatically added as reviewers when you open a pull request, unless different owners are specified in the file.
-* @pekura @maxmarkus @jesusreal @kwiatekus @dariadomagala @hardl @y-kkamil @antiheld @parostatkiem @johannesdoberer @marynaKhromova
+* @pekura @maxmarkus @jesusreal @hardl @antiheld @johannesdoberer @marynaKhromova
 
 # Owners of all .md files in the repository
 *.md @bszwarc @kazydek @klaudiagrz @tomekpapiernik @mmitoraj

CODE_OF_CONDUCT.md

@@ -1,3 +1,13 @@
-# Code of conduct
+# Community Code of Conduct
 
-Each contributor and maintainer of this project agrees to follow the [community Code of Conduct](https://github.com/kyma-project/community/blob/master/CODE_OF_CONDUCT.md) that relies on the CNCF Code of Conduct. Read it to learn about the agreed standards of behavior, shared values that govern our community, and details on how to report any suspected Code of Conduct violations.
+## Overview
+
+This document makes a reference to the rules of behavior for all contributors and maintainers in the community. All members agree to follow them to foster the growth of the community of tolerance, respect, and mutual understanding.
+
+## Code of conduct
+
+In the attempt to adopt the best practices from the most renowned open-source projects, our community members undertake to follow the rules outlined in the [Contributor Covenant](http://contributor-covenant.org), version 1.2.0, available [here](http://contributor-covenant.org/version/1/2/0/). Read it to learn about the harassment-free environment, examples of unacceptable behavior, and the responsibilities of the project maintainers.
+
+## Violations
+
+If you observe any instance of abusive, harassing, or otherwise unacceptable behavior, report it as an issue to the project maintainers specified in the `CODEOWNERS` document.

CONTRIBUTING.md

@@ -1,3 +1,29 @@
 ## Overview
 
-To contribute to this project, follow the rules from the general [CONTRIBUTING.md](https://github.com/kyma-project/community/blob/master/CONTRIBUTING.md) document in the `community` repository.
+# Contributing to Luigi
+We want to make contributing to this project as easy and transparent as possible.
+
+## Our development process
+We use GitHub to track issues and feature requests, as well as accept pull requests.
+
+## Pull requests
+You are welcome to contribute with your pull requests. These steps explain the contribution process:
+
+1. Fork the repository and create your branch from `master`.
+2. If you've added code that should be tested, add tests.
+3. If you've changed APIs, update the documentation.
+4. Make sure the tests pass.
+5. Sign the Contributor License Agreement (CLA).
+
+## Contributor License Agreement (CLA)
+You need you to sign the CLA for your pull request to be accepted. You only need to do it once.
+
+Sign your CLA [here](https://cla-assistant.io/SAP/luigi).
+
+## Issues
+We use GitHub issues to track bugs. Please ensure your description is
+clear and includes sufficient instructions to reproduce the issue.
+
+## License
+By contributing to Luigi, you agree that your contributions will be licensed
+under its [Apache-2.0 license](LICENSE).