Services widget:
- Fix disk quota formatting with proper rounding instead of truncation
- Remove decimals from RAM quotas and use GB instead of G
- Change quota display to use GB consistently
Backups widget:
- Change GiB to GB for consistency
- Remove spaces between numbers and units
- Update disk usage format to match other widgets: used (totalGB)
- Remove percentage display for cleaner format
System widget:
- Add support for logged-in users in description lines
- Format C-states with "C-State:" prefix on first line, indent subsequent lines
- Add logged_in_users field to SystemSummary data structure
Documentation:
- Add example hash error output to NixOS update instructions
Christoffer Martinsson
1ee398e648