* Add stackbit YAML file

Fixes #200

* Adjust fields from linter

Ref #200

* Improve fields from linter suggestions

Ref #206

* Improve contact page sample field for menu

* Update Theme.toml and Readme

2.0 Enhancements

- Improve template structure
- Fixed issue where flexbox was configured improperly and the side column expanded with longer content.
- No longer assume that posts are called "post"
- Simplify tag handling
- Improve related posts handling
- Support native Table of contents (if declared in params)
- Add DISQUS commenting (if disqusShortname added to config)
- Uses Hugo's Related content feature 
- Add asset hashing to Webpack for performance