Add specs for display

en/hardware-overview.md

@@ -22,6 +22,7 @@ The two boards are connected via a board to board connector and then screwed tog
 | -------------------- |-------------|
 | Weight               |  ~ 19 g       |
 | Size                 | Height (without wristband): ~8-9 mm. Width: 38 mm. Length: 45 mm |
+| Display              | ST7735 0.96" Full Color IPS LCD (80x160) |
 | RGB LEDs             | 11 RGB LEDs facing up, 4 RGB LEDs facing down (SK9822-2020)|
 | Wirstband GPIOs      | 2 GPIOs + GND + Power per side |
 | Battery capacity     | 200 mAh (prototypes: 100-150 mAh) |