v45.0: Config update
- ADD: AutoDimmer
- ADD: Config class (Internal mechanism) maybe consume 4KB memory.
- ADD: Config value validation (Setup web, Web API)
- CHANGE: platformio/espressif32 @ 3.2.0 (was 3.1.0)
- CHANGE: Config version v45 (was v44)
- NOTE: ESP32 freeHeap=238756 ESP8266 freeHeap=19184