Create CODE_OF_CONDUCT.md

[loic5]

Hello i propose to create a code of conduct ;)

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[anakinj]

I like the initiative. The content is a little problematic, some random email address unrelated to this project.

Would maybe go with the latest version out there.

[anakinj]

Also not sure how to enforce something like this. But guess and hope we'll keep on being inclusive and kind to each other.

[excpt]

@anakinj I'm on the same page here.

@loic5 If you manage to find time to update the code of conduct as requested by @anakinj this PR will be merged.

[anakinj]

I'll just use the buttons in the PR UI to get this into master