support metadata-only deposit in deposit client cli

!358 (closed): Implementation !361 (closed): Documentation update

Annex: !360 (closed): Fix server side (staging deployed and ok)

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Migrated from T2886 (view on Phabricator)

mentioned in merge request !357 (closed)

mentioned in merge request !358 (closed)

mentioned in merge request !359 (closed)

mentioned in merge request !360 (closed)

mentioned in merge request !361 (closed)

assigned to @ardumont

marked this issue as related to #2540 (closed)

added SWORD deposit priority:Normal labels

added state:wip label

mentioned in commit 36f0b632

mentioned in commit d1b17353

mentioned in commit 1bc55903

mentioned in commit ef2bc2ec

Deployed the server side fix on the staging deposit.

mentioned in commit c660d81d

changed the description

removed state:wip label

closed