v1.5.0

Added:

- Dark theme for Windows 10

Changes:

- A lot of design improvements
- Double click toggles fullscreen
- Smooth horizontall scroll
- Smooth zooming

Removed:

- Right click context menu
- Unfullscreen button

Fixed:

- Fullscreen: prev/next image hotkeys not working
- Invalid horizontal scroll direction
- Drag picture for scroll
- Empty file icon in explorer