feat: add var DISABLE_CUSTOM_ADDRESS_NAME and CREATE_ADDRESS_DEFAULT_… (#717)

* feat: add var DISABLE_CUSTOM_ADDRESS_NAME and CREATE_ADDRESS_DEFAULT_DOMAIN_FIRST

* fix: enhance input validation with trim() for address creation

- Add trim() handling in newAddress() function to prevent whitespace issues
- Add trim() handling for address prefixes to ensure consistent formatting
- Add trim() handling in Telegram API address parsing for robustness
- Prevents edge cases with whitespace-only or padded input strings

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>

README.md

@@ -1,5 +1,5 @@
 <!-- markdownlint-disable-file MD033 MD045 -->
-# 🚀 Cloudflare 临时邮箱 - 免费搭建临时邮件服务
+# Cloudflare 临时邮箱 - 免费搭建临时邮件服务
 
 <p align="center">
   <a href="https://temp-mail-docs.awsl.uk" target="_blank">
@@ -81,7 +81,7 @@
 <details open>
 <summary>📖 目录（点击收缩/展开）</summary>
 
-- [🚀 Cloudflare 临时邮箱 - 免费搭建临时邮件服务](#-cloudflare-临时邮箱---免费搭建临时邮件服务)
+- [Cloudflare 临时邮箱 - 免费搭建临时邮件服务](#cloudflare-临时邮箱---免费搭建临时邮件服务)
   - [📚 部署文档 - 快速开始](#-部署文档---快速开始)
   - [📝 更新日志](#-更新日志)
   - [🎯 在线体验](#-在线体验)