Update cheatsheet.fr.md

01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/07.optical-instruments-design/07.microscope/02.new-course-overview/cheatsheet.fr.md

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 title: 'nouveau cours : synthèse'
-published : false
-visible : true
+published: false
+visible: false
 ---
 
 !!!! *ATTENTION* :<br>