web-server/doc/en/release/developer.xml

<?xml version="1.0" encoding="UTF-8"?>
<assembly>
  <id>developer</id>
  <baseDirectory>geoserver-${project.version}-developer</baseDirectory>
  <formats>
    <format>zip</format>
  </formats>
  <fileSets>
    <fileSet>
      <directory>target/html</directory>
      <includes>
        <include>README.html</include>
        <include>LICENSE.html</include>
      </includes>
      <outputDirectory></outputDirectory>
    </fileSet>
    <fileSet>
      <directory>target</directory>
      <includes>
        <include>VERSION.txt</include>
      </includes>
      <outputDirectory></outputDirectory>
    </fileSet>
    <!-- content -->
    <fileSet>
      <directory>target/developer/html</directory>
      <outputDirectory></outputDirectory>
    </fileSet>
  </fileSets>
</assembly>