feat: Implement Phase 2 cross-cutting services with email and notification enhancements

- Refactor email verification and password reset utilities to use new email service.
- Introduce email delivery queue and notification delivery model for better tracking.
- Enhance file validation and storage services for improved security and ownership management.
- Add cron job for cleaning inactive notifications with retention policy.
- Update document worker to handle document generation and storage more efficiently.
- Implement logging improvements in activity and log workers.
- Create comprehensive documentation for new API endpoints and services.
- Add unit tests for file validation and notification policies to ensure robustness.

app/constants/permissions.js

@@ -13,4 +13,8 @@
 module.exports = {
   FINANCE_BASIS: "finance.basis",
   PRECOST: "precost.precost",
-};
+  MEDIA_READ: "media.read", MEDIA_UPLOAD: "media.upload", MEDIA_DELETE: "media.delete",
+  DOCUMENTS_READ: "documents.read", DOCUMENTS_CREATE: "documents.create", DOCUMENTS_DELETE: "documents.delete",
+  NOTIFICATIONS_MANAGE: "notifications.manage", NOTIFICATIONS_READ: "notifications.read",
+  AUDIT_READ: "audit.read", QUEUES_READ: "queues.read",
+};