v0.6.0

v0.6.0: serve Elementor's own MCP abilities on the WP MCP Tools server

- includes/integrations/class-elementor.php: registers Elementor 4.x (+ Pro) abilities when Elementor has not, adds their tools and resources to our server
- tool group 'elementor' (on by default, unavailable without Elementor), admin rows, elementor info in wpmcp-get-site-info
- tests/elementor.py

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E1SSgcNJWqtutm3MJ6ka8A

v0.5.0

v0.5.0: self-update from GitHub Releases, automatic release of new MC…