add minimal possible parent pom

pom.xml

+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>de.itvsh.ozg</groupId>
+	<artifactId>pluto</artifactId>
+	<version>0.4.0-SNAPSHOT</version>
+	<name>Pluto Parent</name>
+	<packaging>pom</packaging>
+
+	<modules>
+		<module>pluto-interface</module>
+		<module>pluto-server</module>
+	</modules>
+</project>