diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/20.overview/.gitkeep b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/10.n1/20.overview/.gitkeep new file mode 100644 index 000000000..e69de29bb