Create CODE_OF_CONDUCT.md (CleverRaven#26013)

* Create CODE_OF_CONDUCT.md
* Merge Contributor Covenant with GNU Kind Communication Guidelines

Author: kevingranade

CODE_OF_CONDUCT.md

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+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, sex characteristics, gender identity and expression, level of experience, education, socio-economic status, nationality, personal appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+1. Assume other participants are posting in good faith, even if you disagree with what they say.
+2. Make an effort to treat other participants with respect.
+    1. Do not take a harsh tone towards other participants, and especially don't make personal attacks against them.
+    2. Recognize that criticism of your statements is not a personal attack on you.
+    3. Avoid statements about the presumed typical desires, capabilities or actions of some demographic group.
+3. Be especially kind to other contributors when saying they made a mistake.
+4. Don't argue unceasingly for your preferred course of action when a decision for some other course has already been made.
+5. If other participants complain about the way you express your ideas, please make an effort to cater to them.
+6. Don't raise unrelated political issues.
+7. If you feel these standards are being violated, please alert the project lead Kevin Granade at [email protected]
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][CoC homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][CoC version] and the [GNU Kind Communications Guidelines][GKCG homepage].
+
+
+[CoC homepage]: http://contributor-covenant.org
+[CoC version]: http://contributor-covenant.org/version/1/4/
+[GKCG homepage]: https://www.gnu.org/philosophy/kind-communication.html