Opengb

Added
- Interface setup script

Fixed
- Incorrect mock import in tests

Added
- Settings page
- Emergency stop button

Added
- Parse and store gcode meta data

Fixed
- Confirm file delete
- Confirm print stop

Added
- API method get_filesystem_utilization
- Automatically-generated uploaded parameter to gcode files
- Option to configure lcd_gpio_pin for filament detection

Fixed
- Syntax error in Marlin printer

Added
- FILAMENT_SWAP state triggered by M600 from Marlin
- API method filament_swap_begin
- API method filament_swap_complete
- Frontend motors enable/disable slider
- Frontend fans enable/disable slider