Major update with new capabilities:
- Rename package from ilspy_mcp_server to mcilspy
- Add 6 new dnfile-based tools that work without ilspycmd:
- search_methods, search_fields, search_properties
- list_events, list_resources, get_metadata_summary
- Add installation/diagnostic tools:
- check_ilspy_installation: verify toolchain status
- install_ilspy: platform-aware installer with auto-detection
for pacman, apt, dnf, zypper, homebrew, winget, chocolatey
- Fix metadata_reader bugs:
- Use _get_row_index helper consistently for dnfile compatibility
- Handle HeapItemBinary conversion for public key tokens
- Update documentation with all 14 tools
