Add class header blocks to the 2 Java class files which are present in the new example.

Author: feilimb

examples/org.eclipse.e4.ui.examples.dummyeditor/src/org/eclipse/e4/ui/examples/dummyeditor/DummyEditor.java

@@ -1,3 +1,15 @@
+/*******************************************************************************
+* Copyright (c) 2025 Feilim Breatnach and others.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License 2.0 which accompanies this distribution,
+* and is available at https://www.eclipse.org/legal/epl-2.0/
+*
+* SPDX-License-Identifier: EPL-2.0
+*
+* Contributors: Feilim Breatnach, Pilz Ireland
+*******************************************************************************/
+
 package org.eclipse.e4.ui.examples.dummyeditor;
 
 import jakarta.annotation.PostConstruct;

examples/org.eclipse.e4.ui.examples.dummyeditor/src/org/eclipse/e4/ui/examples/dummyeditor/OpenEditorHandler.java

@@ -1,3 +1,15 @@
+/*******************************************************************************
+* Copyright (c) 2025 Feilim Breatnach and others.
+*
+* This program and the accompanying materials are made available under the
+* terms of the Eclipse Public License 2.0 which accompanies this distribution,
+* and is available at https://www.eclipse.org/legal/epl-2.0/
+*
+* SPDX-License-Identifier: EPL-2.0
+*
+* Contributors: Feilim Breatnach, Pilz Ireland
+*******************************************************************************/
+
 package org.eclipse.e4.ui.examples.dummyeditor;
 
 import java.util.List;