archetypes/maven-archetype-vb-simple/src/main/resources/META-INF/archetype.xml

<archetype>
  <id>maven-archetype-dotnet-simple</id>
  <resources>
    <resource>src/main/vb/Sample/MyApp.vb</resource>
    <resource>src/test/vb/Sample/MyAppTest.vb</resource>
  </resources>
</archetype>