Prepare CodeViewerKit 0.6.3

Author: cavs1910

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to CodeViewerKit are documented in this file.
 
-## Unreleased
+## 0.6.3 - 2026-08-27
 
 - preserve the visible source position when a macOS window resize changes the
   toolbar underlap inset, keeping the first line clear of the toolbar;

README.md

@@ -41,7 +41,7 @@ Or add the package to `Package.swift`:
 dependencies: [
     .package(
         url: "https://github.com/cavs1910/CodeViewerKit.git",
-        from: "0.6.2"
+        from: "0.6.3"
     )
 ]
 ```