* Add opt-in strict string format validation by zzstoatzz in https://github.com/MarshalX/atproto/pull/451
* Add documentation for string formats; fix `at-identifier` format by zzstoatzz in https://github.com/MarshalX/atproto/pull/491
* Add an example to quote a post with an image by zzstoatzz in https://github.com/MarshalX/atproto/pull/484
* Fix grammar in the README by ErikPohl444 in https://github.com/MarshalX/atproto/pull/492
* Fix typo in the word `REFRESH` by tveastman in https://github.com/MarshalX/atproto/pull/500
* Update lexicons by MarshalX in https://github.com/MarshalX/atproto/pull/490, https://github.com/MarshalX/atproto/pull/502, https://github.com/MarshalX/atproto/pull/503, https://github.com/MarshalX/atproto/pull/508, https://github.com/MarshalX/atproto/pull/516