Create Code of Conduct

[tinovyatkin]

Doing my compulsory social work 😊 as my apologies over two inappropriate tone comments in recent PRs. Not sure which email address we should put here for enforcement, so, I've put @jimmywarting who very politely called my attention on this matter.

[jimmywarting]

I have mostly seen myself as a moderator to this repo.

In the beginning bitinn didn't want to adapt es6 syntax way back when we had lower node support, so i didn't want to code with es3-5 style or what it was. but look at us now :)
but i felt like i wanted to help out in any way i could by:

• keeping track of most things like issues and PR
• making sure we follow the specification
• trying to keep none spec things from ever entering into node-fetch
• giving out suggestion, helping others with questions folks may have.
• format others comment so code blocks looks good.
• reviewing others code.
• making sure we keep a good tone

if i see some issue, pr or comment then i try to ask myself

• will this have any value
• can it be solved in any another way
• have this been brought up before
  instead of flatt out reject/close something i try to give folks a fighting chans to explain themself of why zyx would be useful or better.

If i would help out making commits then it would take too much time from me.

I'm also quite active on Stackoverflow, before i was the one to ask question but when i became good at javascript, html & css then i started to help out others and now have a score of 19k points :)

[jimmywarting]

now as for my review, i think we should rename it to CONTRIBUTING.md and stuff it into the .github directory 👍

https://github.blog/2012-09-17-contributing-guidelines/

[tinovyatkin]

@jimmywarting the Code of Conduct and Contributor Guidelines are different things from GitHub point of view: https://github.com/node-fetch/node-fetch/community
This one actually was generated automatically from the GitHub template for Code of Conduct, so, I assume naming is correct.

[jimmywarting]

Oh, okey, take it back