Save calibration data and show preliminary GUI #574

Job	Run time
PhotonClient Build	41s
Build Examples	4m 30s
Gradle Build	4m 43s
Build Offline Docs	29s
Photonlib - Build Docker - Athena	7m 52s
Photonlib - Build Docker - Raspbian	8m 53s
Photonlib - Build Host - Win64	8m 3s
Photonlib - Build Docker - Aarch64	8m 44s
Photonlib - Build Host - macOS	10m 0s
Photonlib - Build Host - Linux	4m 35s
Build fat JAR - Win64	2m 23s
Build fat JAR - macOS	2m 1s
Build fat JAR - Linux	1m 16s
Build fat JAR - macOSArm	1m 43s
Build fat JAR - LinuxArm32	1m 22s
Build fat JAR - LinuxArm64	1m 4s
Build image - ${{ matrix.image_url }}	0s
release	0s
	1h 8m 19s

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