Finish community documents

[StephenCathcart]

Description 🤔

The code of conduct and contributing files need updated before release.

https://github.com/the-pragmatic-dev/meco-api/blob/master/CODE_OF_CONDUCT.md

https://github.com/the-pragmatic-dev/meco-api/blob/master/CONTRIBUTING.md

Acceptance Criteria 🎉

• Written doc blocks, inline documentation or READMEs

Please read CONTRIBUTING.md for details on our code of conduct.