[scrobbles] Add basic sentiment analysis

vrobbler/settings.py

@@ -163,6 +163,10 @@ CELERY_BEAT_SCHEDULE = {
         "task": "scrobbles.tasks.send_mood_checkin",
         "schedule": crontab(hour="*/4", minute=0),
     },
+    "backfill-scrobble-sentiment": {
+        "task": "scrobbles.tasks.backfill_scrobble_sentiment",
+        "schedule": crontab(minute="0"),
+    },
 }
 
 INSTALLED_APPS = [