usable celery dev setup

commit 5438243b4874879196294a4072f245ebf22afd5d
Author: eneller <erikneller@gmx.de>
Date:   Sat Apr 5 00:12:55 2025 +0200

    minor celery

commit 3a03c498a7e6acff1afe350ce1ae196375d19029
Author: eneller <erikneller@gmx.de>
Date:   Fri Apr 4 23:40:23 2025 +0200

    begin celery

src/epub2go_web/tasks.py

@@ -0,0 +1,11 @@
+from celery import shared_task
+from django.conf import settings
+
+from epub2go.convert import GBConvert
+
+converter = GBConvert(downloaddir=settings.MEDIA_ROOT)
+
+@shared_task
+def getEpub(book_url):
+    # TODO check for existing file and age
+    return converter.download(book_url)