Add account deletion API

src/function/cleanup/delete-old-families.ts

@@ -1,6 +1,6 @@
 /*
  * server component for the TimeLimit App
- * Copyright (C) 2019 - 2020 Jonas Lochmann
+ * Copyright (C) 2019 - 2023 Jonas Lochmann
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
@@ -26,9 +26,12 @@ export async function deleteOldFamilies (database: Database) {
   if (oldFamilyIds.length > 0) {
     const familyIdsToDelete = oldFamilyIds.slice(0, 256) /* limit to 256 families per execution */
 
-    await deleteFamilies({
-      database,
-      familiyIds: familyIdsToDelete
+    await database.transaction(async (transaction) => {
+      await deleteFamilies({
+        database,
+        transaction,
+        familiyIds: familyIdsToDelete
+      })
     })
   }
 }