Split atom creators recipe in docs into multiple markdown files

[Daishi Kato]

It's a single file for now and it's fairly big.

[Gerzon Z.]

Can I help with this?

[Krzysztof Moch]

Hey, I can do it
Would you like to separate each function into single file or group them somehow ?

EDIT: Looks that @gerzonc was first d:

[Daishi Kato]

Thanks guys! Let's assign @gerzonc and see how it goes.