Mark MigrateToolSchemaCommand as deprecated for removal in 2.0.0 and improve documentation in CHANGELOG and README.

Author: klapaudius

README.md

@@ -11,7 +11,7 @@
 <a href="https://codecov.io/gh/klapaudius/symfony-mcp-server" >  <img src="https://codecov.io/gh/klapaudius/symfony-mcp-server/graph/badge.svg?token=5FXOJVXPZ1" alt="Coverage"/></a>
 <a href="https://packagist.org/packages/klapaudius/symfony-mcp-server"><img src="https://img.shields.io/packagist/l/klapaudius/symfony-mcp-server" alt="License"></a>
 <a href="https://packagist.org/packages/klapaudius/symfony-mcp-server"><img src="https://img.shields.io/packagist/v/klapaudius/symfony-mcp-server" alt="Latest Stable Version"></a>
-# (<a href="https://packagist.org/packages/klapaudius/symfony-mcp-server"><img src="https://img.shields.io/packagist/dt/klapaudius/symfony-mcp-server" alt="Total Downloads"></a>)
+<a href="https://packagist.org/packages/klapaudius/symfony-mcp-server"><img src="https://img.shields.io/packagist/dt/klapaudius/symfony-mcp-server" alt="Total Downloads"></a>
 </p>
 
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