Envelope Back

✓ Drag & Drop
✓ Create lists for todos, as many as you like
✓ History: Cleared todos will be saved in editable text.
✓ Ctrl-Z to Undo
✓ GitHub-like contribution chart

Release Note
v 0.4.0
- New feature: waterfall layout in drawer.
- New feature: support auto timestamp when cleaning checked todo into history.
- Some small UI polishing.
- Fixed a bug that drag&drop project list glitches when lists overflow the browser window (in Safari).

v 0.3.5
- Fixed a bug that will cause history being lost when clicking 'cleared all checked.' after editing history
v 0.3.4
- Fixed a bug that will cause history and general settings fail to load in Chrome browser.
v 0.3.3
- Add "contact me" and "buy me a coffee" link
v 0.3.2
- New feature: dark mode!
- New option: can show or hide card frame
- Small UI adjustment
v 0.3.1
- New feature: export/import data file. Useful for back-up or transfer data to other browsers or computers.
v 0.3.0
- New: contribution chart
- Fix layout bug