Changelog

• Added a “One format, four tools” overview of mcpcontract, mcpeditor, mcpmock, and mcptest.
• Rebuilt the editor landing page with real features and a screenshot.
• Examples now link to real artifacts from mcptoolkit-contract.

Note: the hosted editor is not connected yet — deployment of editor.mcptoolkit.org is pending Monaco embedding in the editor source repo.

• Launched the community-first companion website at mcptoolkit.org.
• Added documentation, examples gallery, blog, and changelog.
• Linked the hosted editor at editor.mcptoolkit.org.

Placeholder entry — replace with real release notes.