site/src/site/assembly/docs.xml

<assembly>
  <id>docs</id>
  <formats>
    <format>zip</format>
  </formats>
  <includeBaseDirectory>false</includeBaseDirectory>
  <fileSets>
    <fileSet>
      <directory>target/site</directory>
      <outputDirectory>/npanday/</outputDirectory>
      <includes>
        <include>**/*.html</include>
        <include>**/*.jpg</include>
        <include>**/*.png</include>
        <include>**/*.gif</include>
      </includes>
    </fileSet>
  </fileSets>
</assembly>