add CONTRIBUTING.md

CONTRIBUTING.md

@@ -0,0 +1,46 @@
+## Contributing
+
+[code-of-conduct]: CODE_OF_CONDUCT.md
+[commit]: http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html
+[fork]: https://github.com/github/libprojfs/fork
+[libfuse]: https://github.com/libfuse/libfuse
+[pr]: https://github.com/github/libprojfs/compare
+[release]: https://help.github.com/articles/github-terms-of-service/#6-contributions-under-repository-license
+[style]: https://www.kernel.org/doc/html/latest/process/coding-style.html
+
+Hi there! We're thrilled that you'd like to contribute to this project.
+Your help is essential for keeping it great.
+
+Contributions to this project are [released][release] to the public under
+the [LGPL v2.1](COPYING).
+
+Please note that this project is released with a
+[Contributor Code of Conduct][code-of-conduct].
+By participating in this project you agree to abide by its terms.
+
+## Submitting a pull request
+
+0. [Fork][fork] and clone the repository
+0. Configure and install the dependencies: `libfuse`
+0. Make sure the tests pass on your machine: `make test`
+0. Create a new branch: `git checkout -b my-branch-name`
+0. Make your change, add tests, and make sure the tests still pass
+0. Push to your fork and [submit a pull request][pr]
+0. Pat your self on the back and wait for your pull request to be reviewed
+   and merged.
+
+Here are a few things you can do that will increase the likelihood of
+your pull request being accepted:
+
+- Follow the [style guide][style].
+- Write tests.
+- Keep your change as focused as possible.  If there are multiple changes
+  you would like to make that are not dependent upon each other, consider
+  submitting them as separate pull requests.
+- Write a [good commit message][commit].
+
+## Resources
+
+- [How to Contribute to Open Source](https://opensource.guide/how-to-contribute/)
+- [Using Pull Requests](https://help.github.com/articles/about-pull-requests/)
+- [GitHub Help](https://help.github.com)

README.md

@@ -14,7 +14,7 @@ See the [design document](/docs/design.md).
 
 ## Contributing
 
-*TBD with Code of Conduct*
+See [CONTRIBUTING](CONTRIBUTING.md) and [CODE_OF_CONDUCT](CODE_OF_CONDUCT.md).
 
 ## Licensing