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Rewrite the overview as the component index, retire available-components #47

Job	Run time
Build it / fail-fast-build	30s
Build it / ubuntu-latest jdk-25-zulu	22s
Build it / macos-latest jdk-21-zulu	35s
Build it / windows-latest jdk-21-zulu	1m 12s
Build it / windows-latest jdk-8-zulu	55s
Build it / ubuntu-latest jdk-21-zulu	16s
Build it / macos-latest jdk-8-zulu	30s
Build it / macos-latest jdk-25-zulu	35s
Build it / windows-latest jdk-25-zulu	1m 3s
Build it / ubuntu-latest jdk-8-zulu	18s
Deploy / Deploy	0s
	6m 16s