Release v1.3.0: WhereAmI command and troubleshooting guides

Merge pull request #4 from pphatdev/feature-whereami

Feature whereami

Fix: Remove invalid Summary and Description child elements from Package

Release v1.2.0-beta\n\nNew Features:\n- Uninstall command for removin…

…g PHP versions\n- Publisher information in MSI installer\n- SHA256 checksums for downloads\n\nImprovements:\n- Enhanced release workflow\n- Better error handling\n- Updated documentation

Add GitHub Actions workflow for automated release process

👀: Remove PLAN.md from the listed directory structure in README.