Update CHANGELOG

Author: CodeWithKyrian

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All notable changes to `php-mcp/server` will be documented in this file.
 
+## v3.2.1 - 2025-06-30
+
+### What's Changed
+
+* feat:  use callable instead of Closure|array|string for handler type by @CodeWithKyrian in https://github.com/php-mcp/server/pull/41
+
+**Full Changelog**: https://github.com/php-mcp/server/compare/3.2.0...3.2.1
+
 ## v3.2.0 - 2025-06-30
 
 ### What's Changed
@@ -21,6 +29,7 @@ If you're using the `CompletionProvider` attribute with the named `providerClass
 // After (recommended)
 #[CompletionProvider(provider: UserProvider::class)]
 
+
 ```
 The old `providerClass` parameter continues to work for backward compatibility, but may be dropped in a future major version release.
 
@@ -113,6 +122,7 @@ This release brings support for the latest MCP protocol version along with enhan
 
 
 
+
 ```
 **After:**
 
@@ -129,6 +139,7 @@ This release brings support for the latest MCP protocol version along with enhan
 
 
 
+
 ```
 #### Transport Upgrade (Optional)
 
@@ -144,6 +155,7 @@ $transport = new HttpServerTransport(host: '127.0.0.1', port: 8080);
 
 
 
+
 ```
 **After:**
 
@@ -155,6 +167,7 @@ $transport = new StreamableHttpServerTransport(host: '127.0.0.1',  port: 8080);
 
 
 
+
 ```
 ### 📚 Documentation
 
@@ -338,6 +351,7 @@ This is a major refactoring with significant breaking changes:
 
 
 
+   
     ```
    The `http` and `reactphp` options for `run()` were already invalid and are fully removed.