feat(api): add `owner` and `parent` in object API

fix(api): `Folder::iter` and `Folder::iter_recursive` not iterating c…

…orrectly

feat(api): add `kind`, `fs` and `access` in storage API

feat(api): add recursive iterators for storages and folders

feat(api): add `Folder::copy_file_from_host` and `File::copy_to_host`…

… in object API

feat(api): replace `max_battery_percent` with `battery` in device API

feat(api): add `move_to`, `copy_to` and `delete` in object API

feat(api): add `Object::rename`

fix(api): double free when dropping child folder

fix(api): return `Option` for default folder methods in device API