feat: add support for larger fonts

feat: fix text viewer zoom location

feat: add text zoom to text viewer

style: fix text viewer formatting

feat: add mzapo sdl

fix: text viewer blink rgb leds when scroll past line

refactor: cleanup build flags

docs: correct formatting

docs: add code documentation

fix: opening empty file

refactor: move gui elements to gui library

feat: use ledstrip to show vertical scroll

feat: use ledstrip to show file loading bar

feat: put errors to enum instead of magic constants in code

feat: use pheripherals in text viewer

refactor: use name and line pointer instead of local variable

fix: text movement

feat: add rotation encoders

feat: add full vertial scroll command

refactor: move text view commands to text viewer