Bug 572325 FLS must check license on startup

Add license header to log config file

Signed-off-by: eparovyshnaya <elena.parovyshnaya@gmail.com>

bundles/org.eclipse.passage.lbc.jetty/config/log4j2.xml

@@ -1,4 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+	Copyright (c) 2021 ArSysOp 
+
+	This program and the accompanying materials are made available under the
+	terms of the Eclipse Public License 2.0 which is available at
+	https://www.eclipse.org/legal/epl-2.0/.
+
+	SPDX-License-Identifier: EPL-2.0
+
+	Contributors:
+		ArSysOp - initial API and implementation
+-->
+
 <Configuration status="DEBUG"
 	packages="org.eclipse.passage.lbc.internal.base,org.eclipse.passage.lbc.internal.jetty,org.eclipse.passage.lic.internal.jetty,org.eclipse.passage.lic.internal.net,org.apache.logging.log4j2,org.eclipse">