Merge "docs: Add video to Instant Apps landing page" into mnc-io-docs am: 99ffb30302 am: ac9135e737 am: 31676c1a9b
am: 60521acf12

* commit '60521acf124204c4574910b0c22f6f23f4532f48':
  docs: Add video to Instant Apps landing page

Change-Id: Ic9e5ea6beea26e357083911575c5012a6ae9c46b