Add new Anubis mascot (#204)

* Add new Anubis mascot

Signed-off-by: Xe Iaso <me@xeiaso.net>

* web: add artist credit to footer

Signed-off-by: Xe Iaso <me@xeiaso.net>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>

docs/docs/CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- The placeholder Anubis mascot has been replaced with a design by [CELPHASE](https://bsky.app/profile/celphase.bsky.social).
 - Allow iMessage's link preview fetcher through Anubis by default.
 - Added a periodic cleanup routine for the decaymap that removes expired entries, ensuring stale data is properly pruned.
 - Added a no-store Cache-Control header to the challenge page

docs/docusaurus.config.ts

@@ -76,7 +76,7 @@ const config: Config = {
       title: 'Anubis',
       logo: {
         alt: 'A happy jackal woman with brown hair and red eyes',
-        src: 'img/happy.webp',
+        src: 'img/favicon.webp',
       },
       items: [
         {