Keep-awake feature (#13) * Keep awake * Change mod name * Include missing field * Jiggle mouse on idle and keepalive * 📝 Update README.md and README.zh-cn.md - Add M5AtomS3U board support details - Clarify instructions for using pre-built binaries - Modify pre-built binaries details to reflect changes in supported features Changes are aligned with board support and feature updates. * ⬆️ Update version number in Cargo.toml from 0.4.4 to 0.5.0 in preparation for new release