Version 3

• Re-wrote extension from scratch using modern tools (PostCSS, Vue.js)
• Modern, cleaner Stylebot Editor UI
• Readability Mode - Make articles on any site readable by hiding
  non-essential page elements like sidebars, footers and ads. Based on Mozilla Readability
• Improved code editor based on Monaco Editor
• Support for all modern CSS syntax and rules
• CSS comments and ordering is retained across edits
• Numerous other bugfixes with the modern implementation