Update CHANGELOG for v1.1.61

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -2,7 +2,15 @@
 
 ## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/nanoFramework.WebServer/tree/HEAD)
 
-[Full Changelog](https://github.com/nanoframework/nanoFramework.WebServer/compare/v1.1.56...HEAD)
+[Full Changelog](https://github.com/nanoframework/nanoFramework.WebServer/compare/v1.1.59...HEAD)
+
+**Implemented enhancements:**
+
+- Adding SendChunked [\#216](https://github.com/nanoframework/nanoFramework.WebServer/pull/216)
+
+## [v1.1.59](https://github.com/nanoframework/nanoFramework.WebServer/tree/v1.1.59) (2023-01-24)
+
+[Full Changelog](https://github.com/nanoframework/nanoFramework.WebServer/compare/v1.1.56...v1.1.59)
 
 **Fixed bugs:**