* add luacheck workflow and config
* replace 'digiline' with 'digilines'
* fix whitespace
* fix most variable warnings
* piston.lua and movestone.lua have inline ignores for some hard to fix code
* increase line length for now
* Added intermediate connections for vertical digilines
* Added protection support to buttons and wall knobs (optional, defaults to off)
* Added the ability to manually control the button light (optional, defaults to off)
