diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f8ff2b5
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.mp4 filter=lfs diff=lfs merge=lfs -text
diff --git a/medias/presentation.mp4 b/medias/presentation.mp4
new file mode 100644
index 0000000..caeafe3
--- /dev/null
+++ b/medias/presentation.mp4
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fb3ff8bc94dac81d3647171e2a56abf3913c84eac0b7f379d811aa4429a516cc
+size 3954325