fixed README missing closing anchor tag

Author: RandomHashTags

README.md

@@ -1,6 +1,6 @@
 Write HTML using Swift Macros.
 
-<a href="https://swift.org"><img src="https://img.shields.io/badge/Swift-5.9+-F05138?style=&logo=swift" alt="Requires at least Swift 5.9"></a> <img src="https://img.shields.io/badge/Platforms-Any-gold"> <a href="https://discord.com/invite/VyuFQUpcUz"><img src="https://img.shields.io/badge/Chat-Discord-7289DA?style=&logo=discord"></a> <a href="https://github.com/RandomHashTags/swift-htmlkit/blob/main/LICENSE"><img src="https://img.shields.io/badge/License-Apache_2.0-blue" alt="Apache 2.0 License">
+<a href="https://swift.org"><img src="https://img.shields.io/badge/Swift-5.9+-F05138?style=&logo=swift" alt="Requires at least Swift 5.9"></a> <img src="https://img.shields.io/badge/Platforms-Any-gold"> <a href="https://discord.com/invite/VyuFQUpcUz"><img src="https://img.shields.io/badge/Chat-Discord-7289DA?style=&logo=discord"></a> <a href="https://github.com/RandomHashTags/swift-htmlkit/blob/main/LICENSE"><img src="https://img.shields.io/badge/License-Apache_2.0-blue" alt="Apache 2.0 License"></a>
 
 - [Why](#why)
 - [Usage](#usage)