feat(matter): adds extended color light endpoint code

Author: SuGlider

CMakeLists.txt

@@ -172,6 +172,7 @@ set(ARDUINO_LIBRARY_Matter_SRCS
   libraries/Matter/src/MatterEndpoints/MatterDimmableLight.cpp
   libraries/Matter/src/MatterEndpoints/MatterColorTemperatureLight.cpp
   libraries/Matter/src/MatterEndpoints/MatterColorLight.cpp
+  libraries/Matter/src/MatterEndpoints/MatterExtendedColorLight.cpp
   libraries/Matter/src/Matter.cpp)
 
 set(ARDUINO_LIBRARY_PPP_SRCS