Add django_tasks app and configure tasks backends

django_tasks provides the database migrations needed for the
DatabaseBackend

Author: steventux

manage_breast_screening/config/settings.py

@@ -75,6 +75,8 @@ def list_env(key):
     "django.contrib.staticfiles",
     "django_extensions",
     "django_linear_migrations",
+    "django_tasks",
+    "django_tasks.backends.database",
     "manage_breast_screening.core",
     "manage_breast_screening.auth",
     "manage_breast_screening.users",
@@ -233,6 +235,15 @@ def list_env(key):
     "dicom": dicom_storage_options,
 }
 
+TASKS = {
+    "default": {
+        "BACKEND": "django.tasks.backends.immediate.ImmediateBackend",
+    },
+    "database": {
+        "BACKEND": "django_tasks.backends.database.DatabaseBackend",
+    },
+}
+
 # Password validation
 # https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators