docs: Chinese translation (#597)
* docs: translated in Chinese
* fix: readme md links and duplicate images
* docs: lint and remove outdated parts
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Co-authored-by: Pierre Clavequin <pierre.clavequin@valueapex.com>
Co-authored-by: ginifizz <laury@les-tilleuls.coop>
Co-authored-by: Kévin Dunglas <kevin@dunglas.fr>
