updated to v2.0.0-a.2, downgraded to java 21

pom.xml

src/main/java/plugins/stef/library/Java3DPlugin.java

src/main/resources_old/com/COPYRIGHT.txt

src/main/resources_old/com/LICENSE.txt

src/main/resources_old/com/THIRDPARTY-LICENSE-DISTANCE.txt

src/main/resources_old/com/THIRDPARTY-LICENSE-FIST.txt

src/main/resources_old/com/THIRDPARTY-LICENSE-MAINFRAME.txt

...ain/resources_old/com/sun/j3d/ExceptionStrings.properties

.../resources_old/com/sun/j3d/audioengines/AudioEngine.class

...esources_old/com/sun/j3d/audioengines/AudioEngine3D.class

...ources_old/com/sun/j3d/audioengines/AudioEngine3DL2.class

...rces_old/com/sun/j3d/audioengines/AudioEngineThread.class

...ources_old/com/sun/j3d/audioengines/AuralParameters.class

src/main/resources_old/com/sun/j3d/audioengines/Sample.class

...om/sun/j3d/audioengines/javasound/JSAuralParameters.class

...es_old/com/sun/j3d/audioengines/javasound/JSChannel.class

...urces_old/com/sun/j3d/audioengines/javasound/JSClip.class

.../sun/j3d/audioengines/javasound/JSDirectionalSample.class

...urces_old/com/sun/j3d/audioengines/javasound/JSMidi.class

...m/sun/j3d/audioengines/javasound/JSPositionalSample.class