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CONTRIBUTING.md

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+# Contributions
+
+Contributions are welcome, encouraged, and appreciated!
+
+If you encounter any bugs while using `quantile-forest`, or believe there's a feature that would prove useful, feel free to [submit a new issue](https://github.com/zillow/quantile-forest/issues/new/choose).
+
+All contributions, suggestions, and feedback you submitted are accepted under the [project's license](https://github.com/zillow/quantile-forest/blob/main/LICENSE).
+
+## Setting Up Your Environment
+
+To contribute to the `quantile-forest` source code, start by forking and then cloning the repository (i.e. `git clone [email protected]:YourUsername/quantile-forest.git`)
+
+Once inside the repository, to build and install the package, run:
+
+```cmd
+python setup.py build_ext --inplace
+python setup.py install
+ ```
+
+## Testing Your Changes
+
+To execute unit tests from the `quantile-forest` repository, run:
+
+```cmd
+pytest quantile_forest -v
+```
+
+## Troubleshooting
+
+If the build fails because SciPy is not installed, ensure OpenBLAS and LAPACK are available and accessible.
+
+On macOS, run:
+
+```cmd
+brew install openblas
+brew install lapack
+export SYSTEM_VERSION_COMPAT=1
+```
+
+Then try rebuilding.