feat(#650): delete-contacts action

[kennsippell]

Description

This adds new action cht delete-contacts which recursively deletes all contacts and reports under a place.

npx cht delete-contacts upload-docs --local -- --id=uuid1

#650

Base branch is #649

Code review items

• Readable: Concise, well named, follows the style guide, documented if necessary.
• Documented: Configuration and user documentation on cht-docs
• Tested: Unit and/or integration tests where appropriate
• Backwards compatible: Works with existing data and configuration. Any breaking changes documented in the release notes.

License

The software is provided under AGPL-3.0. Contributions to this project are accepted under the same license.