[spike] Add way to view fetch results inside code editor

🤓🤓🤓 YES!

Still WIP but here's what i have so far, using react-json-tree to render response in new tab in code editor

Very nice start! 😄

Do you intend to support multiple fetch results? AKA if my code fetched >1 API response 😇

hooroomoo → credited balintbrews → .

hooroomoo → credited effulgentsia → .

adding credit for helpful discussion/pointers