This USE flag enables the DDS (Data Distribution Service).
See https://yazi-rs.github.io/docs/dds
An additional binary 'ya' will be compiled/installed.
It's not installed by default by upstream, that's why I don't install it
unconditionally but rather with a USE flag. May change in the future.
cc: @micielski
Signed-off-by: Jonas Frei <freijon@pm.me>
