feat(images): repair reported covers and achievement icons at night

src/main/resources/application.yml

@@ -61,6 +61,11 @@ app:
     achievement-ttl-hours: 1
     schema-ttl-days: 30
     speedrun-ttl-days: 30
+    # Reported broken pictures, repaired after the nightly sync.
+    image-repair-cron: "0 30 1 * * *"
+    image-repair-batch: 200
+    image-repair-max-attempts: 3
+    image-repair-retry-days: 30
 
 resilience4j:
   retry: