Save calibration data and show preliminary GUI #636

Job	Run time
PhotonClient Build	45s
Build Examples	5m 15s
Gradle Build	4m 36s
Build Offline Docs	31s
Photonlib - Build Docker - Athena	8m 19s
Photonlib - Build Host - Win64	5m 51s
Photonlib - Build Docker - Raspbian	8m 59s
Photonlib - Build Host - macOS	12m 9s
Photonlib - Build Docker - Aarch64	8m 44s
Photonlib - Build Host - Linux	4m 32s
Build fat JAR - Win64	2m 4s
Build fat JAR - macOS	2m 8s
Build fat JAR - Linux	1m 30s
Build fat JAR - macOSArm	2m 17s
Build fat JAR - LinuxArm32	1m 12s
Build fat JAR - LinuxArm64	1m 10s
Build image - ${{ matrix.image_url }}	0s
release	0s
	1h 10m 2s

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