Release 6.0.6

Added support to E-paper Pico Development Kit 2.71"-Touch (EPDK-2.71-Touch), which includes

• iTC 2.7" e-paper screen with embedded fast update and capacitive touch;
• EPD Extension Kit Gen 3 (EXT3 or EXT3-1);
• Touch Expansion Board for EXT3 (EXT3-Touch);
• Raspberry Pi Pico board;
• cables;
• nuts, bolts and spacers.