Update screenshots and custom settings section on README (add 'eighti…

…es' option)

Add 6 new color scheme for Phoenix Dark color variation

Update Light Theme (adding default neutral, new "darkblue") and updat…

…e readme

Harmonize colors on Dark Orange Theme and add *solid* tabs, correct t…

…ab-active for blue, free, red and yellow (bottom outline)

Update Dark Pink Theme to make color a little more light on text labe…

…ls and tab-active

Introduce new folder icon on Dark theme, update screenshots on README

Add light blue theme

Add color to button-on, refactor settings, update README and screenshots

Add Green / Blue / Orange / Yellow and Red alternate colors.

Add modified version of "Clouds Midnight" and "Tomorrow-Night".
Update README with screenshots...

Setup the default theme (Dark Lemon)