更新README

Author: 苏青安

.gitignore

@@ -3,6 +3,7 @@ composer.phar
 /test.php
 .DS_Store
 **/.DS_Store
+composer.lock
 
 # Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control
 # You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file

README.md

@@ -20,6 +20,7 @@
 | [`hejunjie/mobile-locator`](https://github.com/zxc7563598/php-mobile-locator) | 基于国内号段规则的手机号归属地查询，含运营商识别 |
 | [`hejunjie/utils`](https://github.com/zxc7563598/php-utils) | 常用数组、字符串、文件、网络等工具函数集合 |
 | [`hejunjie/address-parser`](https://github.com/zxc7563598/php-address-parser) | 收货地址智能解析工具，支持从非结构化文本中提取用户/地址信息 |
+| [`hejunjie/url-signer`](https://github.com/zxc7563598/php-url-signer) | URL 签名工具，支持对 URL 进行签名和验证。 |
 
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