Pick or develop a style guide

[WCRest]

We have a lot of questions about style and code quality that we could use an agreed upon style guide to answer. We kicked around the idea of developing one by agreeing on a few code standards. We also talked about adopting a complete style guide. Here are a few off-the-shelf options:

https://github.com/airbnb/javascript

https://github.com/felixge/node-style-guide

Acceptance Criteria

• pick a style guide (or a couple)
• make a proposal PR