Rebrand the entire project with a memorable phonetic name: - Update package and binary name in Cargo.toml - Change config directory from ~/.config/mpv-mgr to ~/.config/empeve - Rename MpvMgrError to EmpveError - Update all CLI help text and user-facing messages - Update README title and documentation 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>