diff --git a/data/.gitkeep b/data/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/notes/.gitkeep b/notes/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/results/.gitkeep b/results/.gitkeep
new file mode 100644
index 0000000..e69de29