File _aggregate of Package aggregate

<aggregatelist>
  <aggregate project="home:pbek:QOwnNotes">
    <package>desktop</package>
  </aggregate>
  <aggregate project="graphics">
    <package>oxipng</package>
  </aggregate> 
  <aggregate project="Publishing">
    <package>htmlcxx</package>    
  </aggregate>
  <aggregate project="home:Dead_Mozay">
    <package>btrfs-assistant</package>    
  </aggregate>
</aggregatelist>