man pages (such as datalad-containers-run) are not provided by debian package

[yarikoptic]

we do ship manpages for core commands in datalad package. But not for datalad-container package apparently there is no man pages:

smaug:~
$> dpkg -L datalad-container | grep man
$> apt-cache policy datalad-container 
datalad-container:
  Installed: 0.5.0-1~nd100+1
  Candidate: 0.5.0-1~nd100+1
  Version table:
 *** 0.5.0-1~nd100+1 450
        450 http://neuro.debian.net/debian buster/main amd64 Packages
        450 http://neurodebian.ovgu.de/debian buster/main amd64 Packages
        100 /var/lib/dpkg/status
     0.2.2-2 500
        500 http://debian.osuosl.org/debian buster/main amd64 Packages