Update french translation, add missing chain, fix typo Reviewed-on: MineClone2/MineClone2#4006 Reviewed-by: AFCMS <afcm.contact@gmail.com> Co-authored-by: 3raven <3raven@noreply.git.minetest.land> Co-committed-by: 3raven <3raven@noreply.git.minetest.land>