Update name to SingleHanded #1
Enhance watchface with rain overlay feature and update configuration options
- Added rain overlay functionality to display hours with >50% precipitation probability on the watchface.
- Updated `README.md` to include details about the new rain feature and configuration options.
- Modified `src/c/24h.c` to support rain data and added new AppMessage keys for rain settings.
- Enhanced `take-screenshots.sh` to automate rain mode screenshot generation.
- Updated `package.json` to include new message keys for rain settings.A 24-hour Pebble watchface for the Pebble Time Round 2 (gabbro), inspired by Slow Watches.
Sunset and Sunrise displayed