Added contact sensor example for QPG platform

[adamb-q]

Adding contact sensor example for QPG platform

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
.github/workflows/examples-qpg.yaml	Unsupported file format
examples/contact-sensor-app/qpg/.gn	Unsupported file format
examples/contact-sensor-app/qpg/APPLICATION.md	Unsupported file format
examples/contact-sensor-app/qpg/BUILD.gn	Unsupported file format
examples/contact-sensor-app/qpg/README.md	Unsupported file format
examples/contact-sensor-app/qpg/args.gni	Unsupported file format
examples/contact-sensor-app/qpg/build_overrides	0% smaller
examples/contact-sensor-app/qpg/include/AppConfig.h	Unsupported file format
examples/contact-sensor-app/qpg/include/AppEvent.h	Unsupported file format
examples/contact-sensor-app/qpg/include/AppTask.h	Unsupported file format
examples/contact-sensor-app/qpg/include/CHIPProjectConfig.h	Unsupported file format
examples/contact-sensor-app/qpg/include/DoorWindowManager.h	Unsupported file format
examples/contact-sensor-app/qpg/include/qPinCfg.h	Unsupported file format
examples/contact-sensor-app/qpg/src/AppTask.cpp	Unsupported file format
examples/contact-sensor-app/qpg/src/DoorWindowManager.cpp	Unsupported file format
examples/contact-sensor-app/qpg/src/ZclCallbacks.cpp	Unsupported file format
examples/contact-sensor-app/qpg/third_party/connectedhomeip	0% smaller
examples/contact-sensor-app/qpg/zap/BUILD.gn	Unsupported file format
examples/contact-sensor-app/qpg/zap/contact-sensor.matter	Unsupported file format
examples/contact-sensor-app/qpg/zap/contact-sensor.zap	Unsupported file format
examples/platform/qpg/app/battery.cpp	Unsupported file format
scripts/build/build/targets.py	0% smaller
scripts/build/builders/qpg.py	0% smaller
scripts/build/testdata/all_targets_linux_x64.txt	Unsupported file format
third_party/qpg_sdk/BUILD.gn	Unsupported file format

[github-actions]

PR #36551: Size comparison from d8ededa to db69335

Full report (1 build for stm32)

platform	target	config	section	d8ededa	db69335	change	% change
stm32	light	STM32WB5MM-DK	FLASH	482944	482944	0	0.0
			RAM	144848	144848	0	0.0