v2.1.0

• Add automatic changelog: CHANGELOG.md is updated on every release
• README: remove Development and Releasing sections
• Create GitHub releases automatically when the manifest version changes
• Create typed group entities (light, switch, binary_sensor, ...) - 2.1.0
• Remove manifest categories: hassfest rejects the key for custom integrations
• Add helpers manifest category, update GitHub Actions to Node 24 versions

Full changelog: v2.0.0...v2.1.0

v2.0.0: Dynamic Groups 2.0.0: HACS-ready release

Home Assistant integration that creates and maintains group entities from
labels, areas and domains. Groups are config subentries with unique IDs.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018kybsj57Uo2yWbGWSiE1Ck