diff --git a/documents/.gitkeep b/documents/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..8b137891791fe96927ad78e64b0aad7bded08bdc
--- /dev/null
+++ b/documents/.gitkeep
@@ -0,0 +1 @@
+
diff --git a/images/.gitkeep b/images/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..8b137891791fe96927ad78e64b0aad7bded08bdc
--- /dev/null
+++ b/images/.gitkeep
@@ -0,0 +1 @@
+
diff --git a/models/.gitkeep b/models/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..8b137891791fe96927ad78e64b0aad7bded08bdc
--- /dev/null
+++ b/models/.gitkeep
@@ -0,0 +1 @@
+
diff --git a/videos/training/.gitkeep b/videos/training/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391