First hack

api/funkwhale_api/favorites/activities.py

api/funkwhale_api/favorites/admin.py

api/funkwhale_api/favorites/factories.py

api/funkwhale_api/favorites/filters.py

...hale_api/favorites/migrations/0002_add_album_favorites.py

api/funkwhale_api/favorites/models.py

api/funkwhale_api/favorites/serializers.py

api/funkwhale_api/favorites/urls.py

api/funkwhale_api/favorites/views.py

api/funkwhale_api/moderation/filters.py

api/funkwhale_api/music/serializers.py

front/src/components/favorites/AlbumFavoriteIcon.vue

front/src/components/library/AlbumBase.vue

front/src/store/album_favorites.js

front/src/store/index.js