feat(website): add docs::warnings macro support and warn about no auth (#24866)

* feat(api): add docs::warnings macro support and warn about no auth on api endpoint

* Fix macro order

* Fix conflict in generated file

* Update src/config/api.rs

Co-authored-by: Pavlos Rontidis <pavlos.rontidis@gmail.com>

* Regenerate docs

---------

Co-authored-by: Pavlos Rontidis <pavlos.rontidis@gmail.com>