chore: fix pcb photo in readme
chore: remove github workflow added by mistake
chore: add readme with basic information
feat: add altium project with outputs
chore: update dependencies, use git version of avr-hal instead of local
chore: move firmware files to firmware/ folder
feat: make ports match pcb layout
feat: improve number generation
feat: use u8 in filled_sipo instead of u16
feat: use eeprom from avr-hal
feat: add guess and number increment animations
feat: make first current number 0 instead of guessing number