diff --git a/back/.gitkeep b/back/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/bd/.gitkeep b/bd/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/docs/.gitkeep b/docs/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/front/.gitkeep b/front/.gitkeep
new file mode 100644
index 0000000..e69de29