* Added Temperature Palette
Added cpt-city temperature_gp palette. Palette is nice combination of blues to reds to yellows. Reduced original cpt-city palette to 18 lines to fit WLED constraints. Tested palette and it visually is consistent with original cpt-city colors and look and works in WLED.
* Update palettes.h
* Update palettes.h
- Colorful effect now supports palettes
- Added C9 2 palette (#1291)
- Improved C9 palette brightness by 12%
- Disable onboard LED if LEDs are off (PR #1245)
- Added optional status LED (PR #1264)
- Realtime max. brightness now honors brightness factor (fixes#1271)
- Updated ArduinoJSON to 6.17.0