- Implemented LCMEN2R13EFC1 display driver in src/LCMEN2R13EFC1.h, supporting full and fast refresh modes.
- Added E-Ink chip detection functionality in src/einkDetect_VME213.h to differentiate between LCMEN213EFC1 and E0213A367.
- Included GNU General Public License text in tools/LICENSE.txt.
- Added arduino-cli executable to tools directory.