Custom version of the c't Basecamp library:
- No support for MQTT
- No support for OTA updates
- Fix VS Code's C/C++ IntelliSense
- Rename AP SSID prefix to
PixelTube_ - Always enable DNS server for captive portal when in AP mode
- Save IP address assigned by DHCP and use it as a static IP in subsequent connections
- Only configure pixel tube number, set IP address based on that
- Allow WiFi connect and disconnect callbacks