* Removes (partly) the ArchivingOrchestrator
* Removes the cli_feeder module, and makes it the 'default', allowing you to pass URLs directly on the command line, without having to use the cumbersome --cli_feeder.urls. Just do auto-archiver https://my.url.com
* More unit tests
* Improved error handling
* Add implementation tests for orchestrator + logging tests
* Standardise method/class vars for extractors to see if they are suitable
* Fix bugs with removing default loguru logger (allows further customisation)
* Fix bug loading required fields from file
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