Add a formal specification of what we provide and what we want at
the top.
The purpose of this is to send to someone who can give us a price
estimate for doing the video editing for us.
This is still somewhat of a draft, but could be merged if reviewers
think it is good.
Review: is this precies enough for someone to give us that price
estimate? Of course the actual process will be more agile, but is
this a good starting point?