Add deleting old families in the background

src/worker/index.ts

@@ -18,6 +18,7 @@
 import { Database } from '../database'
 import { WebsocketApi } from '../websocket'
 import { initDeleteDeprecatedPurchasesWorker } from './delete-deprecated-purchases'
+import { initDeleteOldFamiliesWorker } from './delete-old-families'
 import { initDeleteOldTokensWorker } from './delete-old-tokens'
 import { initDeleteOldUsedTimesWorker } from './delete-old-used-times'
 
@@ -26,6 +27,7 @@ export function initWorkers ({ database, websocket }: {
   websocket: WebsocketApi
 }) {
   initDeleteDeprecatedPurchasesWorker({ database, websocket })
+  initDeleteOldFamiliesWorker({ database })
   initDeleteOldTokensWorker({ database })
   initDeleteOldUsedTimesWorker({ database })
 }