Improve reliability and ease of use

[lucasgautheron]

• set --annex_wanted 'include=*' to enforce large file transfer to the cluster sibling
• try and see how to automatically push to cluster with datalad publish has no specified target (might have to do with
• find out which is better : setting publish_depends on github to cluster or the opposite. ask for cross-references to be supported as well !
• datalad push vs datalad publish
• as_common_datasrc

[lucasgautheron]

Follow-up: https://github.com/datalad/datalad/issues/5408

[lucasgautheron]

https://github.com/LAAC-LSCP/empty-dataset/commit/b776c47469d56824012d04e5a42e5dd6ed88593c > this needs to be reflected to our datasets.