Add .cff file to repo (citation guidelines)

[yochannah]

See details here for .cff standards and see #25 and #32 for guidelines on who should be credited as authors.

if you want to pick up this task

1. Comment on this issue stating that you intend to work on the task
2. When you're ready, add your work to the repo and create a pull request.
3. Bask in glory and email me your address if you'd like to have some codeisscience stickers for your trouble. <3

What to do if you need help

Mention @yochannah, tweet @yoyehudi, pop by to say hi on gitter or if needed email yochannah@gmail.com <3

[yochannah]

The text for the manifesto is officially frozen - I have 5,000 leaflets in my living room that read it so no changes are allowed ;)

[JPTIZ]

Ok, I think I can do this on this Sunday, October 27th :) Should I assign myself then?

[yochannah]

Yes! 😍😍

On Fri, 25 Oct 2019, 23:44 João Paulo Taylor Ienczak Zanette, < notifications@github.com> wrote:

Ok, I think I can do this on this Sunday, October 27th :) Should I assign myself then?

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[olexandr-konovalov]

@yochannah I've distributed leaflets that you have sent me earlier, can help with the next batch!