Antares UX Coding Style Guide (#3398)

* start on a style guide

* more style guide changes.

* make some more changes

* some add more todo sections

* update comments from style guide review

* Update reviewed sections.

* Add react styleguide proposals

* Update styleguide.md

* Update styleguide.md

* Update styleguide.md

* Update styleguide.md

* Update styleguide.md

* Update styleguide.md

Author: nertim