Create CONTRIBUTING.md

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Issue Summary

Our rep is in need of a CONTRIBUTING.md

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## Welcome to the Mile Two contributing guide
Thanks for investing your time in contributing to our project!

Please keep our community approachable and respectable, by following a few standards.  It is our goal to make participation in the Mile Two open-source community a harassment-free environment for everyone.

## Our Standards (as co-oped from [GIthub's Contribution Code of Conduct](https://github.com/github/docs/blob/8a3e0900ce997078c46380765447afb372cbd39d/CODE_OF_CONDUCT.md)
__Examples of behavior that contributes to a positive environment for our community include__
- Demonstrating empathy and kindness toward other people
- Being respectful of differing opinions, viewpoints, and experiences
- Giving and gracefully accepting constructive feedback
- Accepting responsibility and apologizing to those affected by our mistakes, and learning from the experience
- Focusing on what is best not just for us as individuals, but for the overall community

__Examples of unacceptable behavior include__
- The use of sexualized language or imagery, and sexual attention or advances of any kind
- Trolling, insulting or derogatory comments, and personal or political attacks
- Public or private harassment
- Publishing others' private information (PII), such as a physical or email address, without their explicit permission
- Contacting individual members, contributors, or leaders privately, outside designated community mechanisms, without their explicit permission
- Other conduct which could reasonably be considered inappropriate in a professional setting


## Getting Started

### Issues
#### Create a new issue
If you spot a problem with the docs, search if an issue already exists. If a related issue doesn't exist, you can open a new issue using a relevant issue form.

#### Solve an issue
Scan through our existing issues to find one that interests you. You can narrow down the search using labels as filters. See Labels for more information.

### Making Changes

#### Fork our repo 

- Create a branch related to the issue you plan on working.

### Pull Requests

- Create a Pull Request from your `forked` repo's issue branch
  -  If there are review comments, update them
  -  Commit and push changes
- Reviewer merges your PR!

🥳  Hurray!  You have contributed to our project! 🥳 

Reference Materials

There is a guide in the GitHub Docson how to go about creating one if you are in need of help.