fix: add endpoint for tgcrud for correct mets-mods usage

...e/src/main/java/info/textgrid/middleware/IDIOMImages.java

.../textgrid/middleware/IdentifierListDelivererAbstract.java

...nfo/textgrid/middleware/IdentifierListDelivererIDIOM.java

...tgrid/middleware/MetadataFormatListDelivererAbstract.java

...fo/textgrid/middleware/MetadataFormatListDelivererDH.java

...fo/textgrid/middleware/MetadataFormatListDelivererTG.java

...ava/info/textgrid/middleware/RecordDelivererDATACITE.java

...n/java/info/textgrid/middleware/RecordDelivererIDIOM.java

...va/info/textgrid/middleware/RecordListDelivererIDIOM.java

...grid/middleware/test/online/tg/OAIPMHUtilitiesOnline.java

...dleware/test/online/tg/TGOAIPMHResumptionTokenThread.java

...rid/middleware/test/online/tg/TestClassicMayanOnline.java

...extgrid/middleware/test/online/tg/TestDHOAIPMHOnline.java

...extgrid/middleware/test/online/tg/TestTGBasicsOnline.java

...grid/middleware/test/online/tg/TestTGGetRecordOnline.java

...iddleware/test/online/tg/TestTGListIdentifiersOnline.java

...id/middleware/test/online/tg/TestTGListRecordsOnline.java

...test/resources/oaipmh.test.dev-textgridlab-org.properties

oaipmh-webapp/src/main/webapp/WEB-INF/beans.xml

...webapp/src/main/webapp/WEB-INF/oaipmh.textgrid.properties