Merge "docs: Add video to Instant Apps landing page" into mnc-io-docs am: 99ffb30302 am: ac9135e737 am: 31676c1a9b
am: 4fe4d41e30

* commit '4fe4d41e30dcc7ce77f0dd29717277e0aa0d9287':
  docs: Add video to Instant Apps landing page

Change-Id: I812e0862818e4cf959c3e33e58f0a5dde050f2d7