Create CODE_OF_CONDUCT.md

[alexpawlowski]

Creating a code of conduct. Will peruse through in the morning to edit langauge.

All Submissions:

• [x] Have you followed the guidelines in our Contributing document?
• [x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Data Submissions:

1. [ ] Does your submission pass tests?
   • [ ] valid yaml
   • [ ] follows template for the data type submitting.
2. [ ] Have you lint your code locally prior to submission?

New Feature Submissions:

1. [x] Does your submission pass tests?
2. [x] Have you lint your code locally prior to submission?

Changes to Core Features:

• [ ] Have you added an explanation of what your changes do and why you'd like us to include them?
• [ ] Have you written new tests for your core changes, as applicable?
• [ ] Have you successfully ran tests with your changes locally?