add test generator for CSS-based fonts in every locale

• add test generator for CSS-based fonts in every locale #7

Add CSS for Open Sans and Raleway and init package.json

• renamed default/ folder to fonts/
• add index.css and fonts css files with font-face directives
• add package.json
• add changelog.md

add WOFF & WOFF2 fonts

• closed #1 by generating WOFF & WOFF2 fonts from Font Squirrel and documenting the process for future maintenance

Add licensing and latest Open Sans & Raleway

• updated to latest versions of Open Sans (1.101) and Raleway (3.0)
• grouped fonts into folders (anticipating platform-specific fonts)
• clarified font licenses

Initial Release

1. Ported TTF fonts from virtru/browser-extension, the oldest instance of our Raleway and Open Sans fonts for web products.
2. Started initial, design-centric documentation.