feat(storage): add comprehensive tests for StorageManager with memory, filesystem, and custom function backends

feat(email): implement EmailSendJob class for robust email delivery with retry logic and MX record resolution

feat(mail): restructure mail module exports for simplified access to core and delivery functionalities

ts/00_commitinfo_data.ts

@@ -1,8 +0,0 @@
-/**
- * autocreated commitinfo by @push.rocks/commitinfo
- */
-export const commitinfo = {
-  name: '@serve.zone/mailer',
-  version: '1.2.1',
-  description: 'Enterprise mail server with SMTP, HTTP API, and DNS management - built for serve.zone infrastructure'
-}