File _aggregate of Package signal-desktop-aggregate

<aggregatelist>
  <aggregate project="devel:languages:nodejs">
    <package>nodejs-electron</package>
    <!--<repository target="openSUSE_Leap_15.4" source="15.4" />-->
  </aggregate>
  <aggregate project="network:im:signal">
    <package>libsignal</package>
    <package>nodejs-signal-ringrtc</package>
    <package>signal-desktop</package>
    <package>signal-sqlcipher</package>
  </aggregate>
</aggregatelist>