Pixel Lights v1.3.0

What's New

• Battery voltage display with color-coded categories
  • Green (≥3.70V) - Good
  • Yellow (≥3.50V) - Medium
  • Orange (≥3.20V) - Low
  • Red (<3.20V) - Critical
• Charging indicator support (requires compatible hardware)
• Improved battery status parsing (4-byte struct from ESP32)