Create a new theme for Toggle based on a dark background with light-colored buttons/text.
Examples of dark themes to imitate: https://i.imgur.com/OxN7fJe.png https://user-images.githubusercontent.com/8162805/37247948-6d1e9816-24bc-11e8-8cba-bc2ab0d5f68c.jpg
- Test the theme with original Toggle version (1.3.x)
- Port this theme along with each change made to the theme parser
- Validate readability of various colors/items in a low-light room (most printers are in basement, garage or unlit office)