feat(MED-161): move medipost xml validate to separate service

lib/services/util/xml.service.ts

@@ -0,0 +1,8 @@
+'use server';
+
+import { XMLParser } from 'fast-xml-parser';
+
+export function parseXML(xml: string) {
+  const parser = new XMLParser({ ignoreAttributes: false });
+  return parser.parse(xml);
+}