Initial work to add cluster level to the project structure #476

Job	Run time
Build Clusters on JDK 11	2m 7s
Build Clusters on JDK 21	2m 18s
NetBeans on nb-javac	0s
Check Paperwork on Linux/JDK 11	1m 52s
Build-System Test on Linux/JDK ${{ matrix.java }}	0s
CV on ${{ matrix.os }}/JDK ${{ matrix.java }}	0s
Build NBMs and Javadoc on JDK ${{ matrix.java }}	0s
Build ${{ matrix.config }} from src.zip on JDK ${{ matrix.java }}	0s
IDE Modules on Linux/JDK ${{ matrix.java }}	0s
Build Tools on Linux/JDK ${{ matrix.java }} (some on 17)	0s
APISupport Modules on Linux/JDK ${{ matrix.java }}	0s
Harness, NB and Ergonomics on Linux/JDK ${{ matrix.java }}	0s
Java Modules on Linux/JDK ${{ matrix.java }}	0s
Platform Modules batch1 on Linux/JDK ${{ matrix.java }} (some on 8)	0s
Platform Modules batch2 on Linux/JDK ${{ matrix.java }}	0s
Java Debugger tests on Linux/JDK ${{ matrix.java }}	0s
JavaFX on Linux/JDK ${{ matrix.java }}	0s
Java Hints ${{ matrix.config }} on Linux/JDK ${{ matrix.java }}	0s
Profiler on Linux/JDK ${{ matrix.java }}	0s
Webcommon Modules on Linux/JDK ${{ matrix.java }}	0s
Enterprise on Linux/JDK ${{ matrix.java }} (some on 8 and 17)	0s
Groovy on Linux/JDK ${{ matrix.java }}	0s
DB Tests with MySQL on Linux/JDK ${{ matrix.java }}	0s
PHP on ${{ matrix.os }}/JDK ${{ matrix.java }}	0s
Rust on Linux/JDK ${{ matrix.java }}	0s
Versioning Modules on Linux/JDK ${{ matrix.java }}	0s
GraalVM ${{ matrix.graal }} Tests	0s
LSP tests on Linux/JDK ${{ matrix.java }}	0s
VSCode Extension Tests on JDK ${{ matrix.java }}	0s
Cleanup Workflow Artifacts	0s
	6m 17s

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