Link people to each other

[karindalziel]

We need to link people that exist in both "int he news" and "index of poets" to each other

• [x] Make sure that both sections are represented in the API
• [x] When both exist, link one entry to another

Linking the entries to each other in rails

For the index of poets entry, link to the "In the news" entry like this:

For the in the news poet entry, link to the "index of poets" entry like this: