[NFC] Reorgranize CI tasks into their own files #3136

Job	Run time
Build Examples	3m 38s
photon-build-all	5m 50s
photonclient-build	1m 23s
Photonlib - Build Docker - Athena	4m 44s
Photonlib - Build Docker - Raspbian	9m 37s
Photonlib - Build Host - Win64	8m 55s
photonserver-build-offline-docs	57s
Photonlib - Build Docker - Aarch64	11m 43s
Photonlib - Build Host - Linux	4m 53s
Build fat JAR - Win64	3m 6s
Build fat JAR - macOS	3m 1s
Build fat JAR - Linux	2m 35s
Build fat JAR - macOSArm	2m 46s
Build fat JAR - LinuxArm32	2m 18s
Build fat JAR - LinuxArm64	2m 25s
Build image - ${{ matrix.image_url }}	0s
photon-release	0s
	1h 7m 51s

Provide feedback