Allow / limit embed to specified domains only?!

thx again @neueMeta!

… I will keep this in my knowledge base!

still, I think this depends on two things as precondition:

  1. finding a way to insert js as part of my legacy ‘Creators’ plan
  2. find a way to ‘block’ the consistent default url 'readymag.com/123456 to be openly accessible via the web…

thx again!