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CONTRIBUTING.md

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+# Contributing
+
+We follow the same guidelines as [Qiskit](https://qiskit.org/documentation/contributing_to_qiskit.html). All contributions must also follow these guidelines:
+
+## Bugs and feature requests:
+
+Please use Github Issues for reporting bugs found within this plugin. The same goes for feature requests.
+
+## Code Review
+
+All new coded feature proposals should be done via Pull Requests. All sumbissions will require review by one of the mantainers.
+
+## Code formatting:
+
+Please use [Black](https://pypi.org/project/black/) for code formatting.
+Make sure to install the package by using:
+
+```sh
+pip install black
+```
+For automated code formatting with black:
+```sh
+black qiskit_qubit_reuse
+```
+
+For code formatting review, use:
+```sh
+black --check qiskit_qubit_reuse
+```