Add license

Signed-off-by: Samreet Singh <samreet.singh@iteratec.com>

Author: Reet00

scanners/nmap/parser/__testFiles__/temp-file.xml

@@ -1,3 +1,9 @@
+<!--
+SPDX-FileCopyrightText: the secureCodeBox authors
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE nmaprun>
 <?xml-stylesheet href="file:///usr/bin/../share/nmap/nmap.xsl" type="text/xsl"?>