diff --git a/.gitattributes b/.gitattributes
index 4e01be4f..beeb8e2c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -2,3 +2,4 @@
 scripts/*.js linguist-detectable=false
 *.config.js linguist-detectable=false
 * text=auto eol=lf
+*.webm filter=lfs diff=lfs merge=lfs -text
diff --git a/Tutorial.webm b/Tutorial.webm
new file mode 100644
index 00000000..35769d32
--- /dev/null
+++ b/Tutorial.webm
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2d86910b377cc94f14f0ede78557ff93ff1aeae2cc223888fd378cd488242ad0
+size 377209498