diff --git a/in/.gitignore b/in/.gitignore
new file mode 100644
index 0000000..1698fc7
--- /dev/null
+++ b/in/.gitignore
@@ -0,0 +1,2 @@
+
+*
\ No newline at end of file
diff --git a/out/.empty b/out/.empty
new file mode 100644
index 0000000..e69de29
diff --git a/out/.gitignore b/out/.gitignore
new file mode 100644
index 0000000..1698fc7
--- /dev/null
+++ b/out/.gitignore
@@ -0,0 +1,2 @@
+
+*
\ No newline at end of file
diff --git a/tmp/.empty b/tmp/.empty
new file mode 100644
index 0000000..e69de29
diff --git a/tmp/.gitignore b/tmp/.gitignore
new file mode 100644
index 0000000..1698fc7
--- /dev/null
+++ b/tmp/.gitignore
@@ -0,0 +1,2 @@
+
+*
\ No newline at end of file