* Create example for apub lib
* some rewriting of apub lib
* Add LocalInstance struct for apub lib to avoid using Lemmy Settings
* Move ActorType trait to lemmy_apub, because its not needed in library
* Use reqwest_retry instead of custom impl, dont specify timeout on every send()
* Some improvements to example
* Moved inbox handling to library
* bug fixes
* Move context and serde helpers into library
* wip: example changes
* Add lemmy_utils feature to build only LemmyError
* Rename to activitypub_federation
* Remove lemmy_utils dep from activitypub_federation using generic error type
* Finish activitypub example
* Cleanup and fix tests
* Reorganize library files
* Remove ApubObject.to_tombstone()
* Extract activitypub library into separate git repository
* Allow fetching person from Pleroma, including test case (ref #1461)
* Added test case for parsing community from apub json
- fixed a bug with objectid (de)serialization
- fixed a bug with outbox fetching (ref #1582)
* Added apub test for post
* Ignore errors when reading community outbox (fixes#1582)
* Dont fetch community outbox/moderators during tests
* added test for lemmy comment
* Added federation test for pleroma comment
* Added html2md crate to parse comment html from pleroma (fixes#1461)
* some fixes for update_apub_test_files.sh
* Add tests for ToApub, private message, remove update script
* Delete objects from db at the end of each test
