All the widgets now live in their own ratatui-widgets crate, but are re-exported in the main ratatui crate.
This makes it easier to use portions of the ratatui library and is part of the effort to modularize
Part of: #1388
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Co-authored-by: Orhun Parmaksız <orhun@archlinux.org>
Co-authored-by: Orhun Parmaksız <orhunparmaksiz@gmail.com>
