Adding Code of Conduct
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
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+We expect all ONF employees, member companies, and participants to abide by our [Code of Conduct](https://www.opennetworking.org/wp-content/themes/onf/img/onf-code-of-conduct.pdf).
+If you are being harassed, notice that someone else is being harassed, or have any other concerns involving someone’s welfare, please notify a member of the ONF team or email [firstname.lastname@example.org](email@example.com).