planned_features is a view of where the keybrd project is headed.

Top priority

• Beta testing
• Add breadboard keyboard schematics to tutorials

Medium priority

• Add matrix-to-layout mapping array (to decouple key matrix from layout)
• Add tutorial_4b_split_keyboard_with_shift_registers

Low priority

• Add MCP23S18 I/O expander with Serial Peripheral Interface (SPI)