I added a new button to the tool bar that you can use to post short video clips from sites like imgur or gfycat. If you see a video your want to embed in your post you just copy the video location, click the button and put the video address in between the tags.
https://i.imgur.com/8eiRDxk.jpg
The Code would look like this:
https://i.imgur.com/u61BxQQ.jpg
and produce this: