Added new english intro video

Change-Id: Iac15ab96fc5acf3be16eed76d7f691d2362713b9
diff --git a/misc/introducing-datok.gif b/misc/introducing-datok.gif
index 603c25e..2d5c1be 100644
--- a/misc/introducing-datok.gif
+++ b/misc/introducing-datok.gif
Binary files differ