1.10.1

Changes

• Add hash icon right side to the description box. Toggle the icon between none, bookmark and cascading to achieve functions such as 'todo tree' or 'important todo items'.
• Add a new icon when the item note is shown for mouse users to collapse the note.
• Upgrade to webpack 4. extract-text-webpack-plugin has been replaced with mini-css-extract-plugin
• Building on macOS is now supported.