Refactored file-system code

Fixed logging when aborting download of single files

backend/src/main/resources/config/gameyfin.yml

@@ -1,4 +1,6 @@
 gameyfin:
+  db: ""
+  cache: ""
   file-extensions: iso, zip, rar, 7z, exe
   igdb:
     api:
@@ -7,4 +9,4 @@ gameyfin:
       max-concurrent-requests: 2
       max-requests-per-second: 4
     config:
-      preferred-platforms: 6
+      preferred-platforms: 6