Add rsync & sphinx-autobuild docs #1489

Job	Run time
PhotonClient Build	44s
Build Examples	5m 8s
Gradle Build	4m 5s
Build Offline Docs	34s
Photonlib - Build Docker - Athena	5m 17s
Photonlib - Build Docker - Raspbian	5m 29s
Photonlib - Build Docker - Aarch64	6m 31s
Photonlib - Build Host - Win64	9m 18s
Photonlib - Build Host - macOS	3m 47s
Photonlib - Build Host - Linux	5m 5s
Build fat JAR - Win64	1m 57s
Build fat JAR - macOS	3m 31s
Build fat JAR - macOSArm	3m 21s
Build fat JAR - Linux	1m 33s
Build fat JAR - LinuxArm64	1m 14s
smoketest-RaspberryPi	55s
run-smoketest-native (ubuntu-latest, jar-Linux, -Djdk.lang.Process.launchMechanism=vfork)	14s
Build image - ${{ matrix.image_url }}	0s
run-smoketest-native (windows-latest, jar-Win64)	26s
run-smoketest-native (macos-latest, jar-macOS, x64)	15s
Combine	10s
release	0s
	59m 34s

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