Merge pull request #113 from PFConnect/canary

Canary

Author: dev-banane

CONTRIBUTING.md

@@ -60,4 +60,32 @@ Before submitting a PR, please ensure:
 - Be respectful and inclusive.
 - No harassment, discrimination, or inappropriate behavior.
 
+## Contributor License Agreement
+
+(The following agreement is a modified version of the Developer’s Certificate of Origin 1.1, adapted from the version used by Express.js at [expressjs.com](https://expressjs.com/en/resources/contributing.html))
+
+By making a contribution to this project, you certify that:
+
+ **(a)** The contribution was created in whole or in part by you and you
+     have the right to submit it under the open source license
+     indicated in the repository; or
+
+ **(b)** The contribution is based upon previous work that, to the best
+     of your knowledge, is covered under an appropriate open source
+     license and you have the right under that license to submit that
+     work with modifications, whether created in whole or in part
+     by you, under the same open source license (unless you are
+     permitted to submit under a different license), as indicated
+     in the repository; or
+
+ **(c)** The contribution was provided directly to you by some other
+     person who certified (a), (b) or (c) and you have not modified
+     it.
+
+ **(d)** You understand and agree that this project and the contribution
+     are public and that a record of the contribution (including all
+     personal information you submit with it, including your sign-off) is
+     maintained indefinitely and may be redistributed consistent with
+     this project or the open source license(s) involved.
+
 Thank you for helping to make PFControl better!