This is reverting back from cJson to ArduinoJson as that was adding to memory consumption when webserver was used (quite common), reducing the benefits of a lighter library.
Helps with #1686
- This is deprecating Relay local fallback switches (replaced by globals) to save memory.
- Using reboot timeout from ESPHome instead of custom engine
- Do not change page is already there.
- Use of external components to streamline some repetitive code
- API always transfer colors in RGB array to keep consistency
