Metadata for zathura-djvu in community

<component type="addon">
  <id>org.pwmt.zathura-djvu</id>
  <name>Zathura-DjVU</name>
  <summary>DjVU plugin for zathura</summary>
  <project_license>Zlib</project_license>
  <extends>org.pwmt.zathura</extends>
  <pkgname>zathura-djvu</pkgname>
  <url type="homepage">https://pwmt.org/projects/zathura-djvu/</url>
</component>