Polishing up the v2 release

Fixes

• Implement an option to install serial console as root ( #162, #142 )
• Add full keyboard for serial code in bambu's entry screen ( #161 )
• Fix bug that caused 0% and 100% fan speed options to not display under Klipper printers ( #145 )
• Fix improper bus clearing for serial Klipper ( #144 )

Additions

• Revamp the start print screen under Klipper and Octoprint.
  • Gcode image is now shown to the left of the text
  • Gcode image can now be scaled 2x (this does cause the image to become blurry)

New screens

• Esp32 2.2" Capacitive (Developer only, compile via Platformio) ( #151 )
• CROWPANEL 3.5" Capacitive ( #159 )