docs: new nextra docs site (#10516)
Co-authored-by: Alexander <spidfair@gmail.com>
Co-authored-by: Balázs Orbán <info@balazsorban.com>
Co-authored-by: ndom91 <yo@ndo.dev>
Co-authored-by: Tom Grey <tgreyuk@gmail.com>
Co-authored-by: Thang Vu <hi@thvu.dev>
