[IMP] developer: new CLI commands and improvements

[fw-bot]

Added the existing deploy, obfuscate, upgrade_code commands. Reviewed titles to make the commands stand out in the ToC

task-4866527

fixes #14046
backport of ef7efd6

Forward-Port-Of: #15213

[robodoo]

[fw-bot]

@Julien00859 cherrypicking of pull request #15213 failed.

stdout:

Auto-merging content/developer/reference/cli.rst
CONFLICT (content): Merge conflict in content/developer/reference/cli.rst
Auto-merging content/developer/tutorials/define_module_data.rst

stderr:

WARN Using Git v2.44.0 or above is recommended to get meaningful revision names on conflict markers when using Mergiraf.

Either perform the forward-port manually (and push to this branch, proceeding as usual) or close this PR (maybe?).

In the former case, you may want to edit this PR message as well.

⚠️ after resolving this conflict, you will need to merge it via @robodoo.

More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port

[Julien00859]

@robodoo r+

[robodoo]

@Julien00859 'ci/documentation' failed on this reviewed PR.