New xsd schema to send all users to the client

src/main/resources/userListSchema.xsd

@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+	targetNamespace="https://github.com/informatik-ag-ngl"
+	xmlns="https://github.com/informatik-ag-ngl"
+	elementFormDefault="qualified">
+
+	<xs:element name="Users">
+		<xs:complexType>
+			<xs:sequence>
+				<xs:element name="User" type="User" minOccurs="0"
+					maxOccurs="unbounded" />
+			</xs:sequence>
+		</xs:complexType>
+	</xs:element>
+
+	<xs:complexType name="User">
+		<xs:sequence>
+			<xs:element name="UserName" type="xs:string"/>
+            <xs:element name="UserID" type="xs:integer"/>
+		</xs:sequence>
+	</xs:complexType>
+
+</xs:schema>