Update changelog

Author: fbbdev

docs/src/content/docs/changelog.mdx

@@ -59,6 +59,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Mac + Mac JS events now fixed by [@leaanthony](https://github.com/leaanthony)
 - Fixed event deadlock for macOS by [@leaanthony](https://github.com/leaanthony)
 - Fixed a `Parameter incorrect` error in Window initialisation on Windows when HTML provided but no JS by [@leaanthony](https://github.com/leaanthony)
+- Fixed size of response prefix used for content type sniffing in asset server by [@fbbdev](https://github.com/fbbdev) in [#4049](https://github.com/wailsapp/wails/pull/4049)
+- Fixed handling of non-404 responses on root index path in asset server by [@fbbdev](https://github.com/fbbdev) in [#4049](https://github.com/wailsapp/wails/pull/4049)
 
 ### Changed