fix(matter): adds matter source code to CMakeLists.txt

Author: SuGlider

CMakeLists.txt

@@ -184,7 +184,8 @@ set(ARDUINO_LIBRARY_Matter_SRCS
   libraries/Matter/src/MatterEndpoints/MatterOccupancySensor.cpp
   libraries/Matter/src/MatterEndpoints/MatterOnOffPlugin.cpp
   libraries/Matter/src/MatterEndpoints/MatterThermostat.cpp
-  libraries/Matter/src/Matter.cpp)
+  libraries/Matter/src/Matter.cpp
+  libraries/Matter/src/MatterEndPoint.cpp)
 
 set(ARDUINO_LIBRARY_PPP_SRCS
   libraries/PPP/src/PPP.cpp