* Remove SendActivity and Perform traits, rely on channel
These traits arent necessary anymore now that websocket is removed.
Removing them allows us to use normal actix http handler methods
which are much more flexible, and allow using different middlewares
as well as setting response attributes.
* compiling and create post federating
* clippy
* rename methods, join outgoing activities task
* fix api tests
* no unwrap
* conditional compile
* add back getrandom
* make crates optional
* fmt
* 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
