diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/11.es/.gitkeep b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/11.es/.gitkeep new file mode 100644 index 000000000..e69de29bb