Bird avatars.

server/lib/prosody/config.ts

@@ -96,7 +96,7 @@ async function getProsodyFilePaths (options: RegisterServerOptions): Promise<Pro
   }
 
   let avatarSet: AvatarSet = (settings['avatar-set'] ?? 'sepia') as AvatarSet
-  if (!['sepia', 'cat', 'legacy'].includes(avatarSet)) {
+  if (!['sepia', 'cat', 'bird', 'legacy'].includes(avatarSet)) {
     logger.error('Invalid avatar-set setting, using sepia as default')
     avatarSet = 'sepia'
   }

server/lib/settings.ts

@@ -5,7 +5,7 @@ import { RoomChannel } from './room-channel'
 import { BotsCtl } from './bots/ctl'
 import { loc } from './loc'
 
-type AvatarSet = 'sepia' | 'cat' | 'legacy'
+type AvatarSet = 'sepia' | 'cat' | 'bird' | 'legacy'
 
 async function initSettings (options: RegisterServerOptions): Promise<void> {
   const { peertubeHelpers, registerSetting, settingsManager } = options
@@ -226,6 +226,7 @@ Please read
     options: [
       { value: 'sepia', label: loc('avatar_set_option_sepia') },
       { value: 'cat', label: loc('avatar_set_option_cat') },
+      { value: 'bird', label: loc('avatar_set_option_bird') },
       { value: 'legacy', label: loc('avatar_set_option_legacy') }
     ] as Array<{
       value: AvatarSet