Programmatic insertion of SCAMP blocks

[benlk]

Continuing from #70, which introduced the blocks, let's talk about programmatic insertion of those blocks into stories.

• [ ] is this something that we need to do?
• [ ] does Gutenberg's saved post templates justify not doing this?
• [ ] how would our product be meaningfully different form that?

[benlk]

Other thoughts on the subject: https://10up.com/blog/2017/ads-in-a-gutenberg-world/