Update textbook.fr.md

5 years ago · 0a7bb8c504
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--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/10.main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/10.main/textbook.fr.md
@ -6,6 +6,8 @@ visible: false
 lessons:
    - slug: relativity-linear-1
      order: 1
+    - slug: relativity-123-main-panorama
+      order: 1
 ---

 Les relativités niveau 1 : main