v1.0 - public release

Rename domain from hamex to heizoel24mex

- Update domain in manifest.json to heizoel24mex
- Update DOMAIN constant in const.py to heizoel24mex
- Rename directory from custom_components/hamex to custom_components/heizoel24mex

This change provides a more descriptive domain name that better represents the integration's purpose.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

v0.9 - public beta

Update FUNDING.yml