Thanks! I'm adding a "custom iframe" feature over the next week or so. This lets anyone build any kind of interactive block, such as terminal emulators, code ed

Thanks! I'm adding a "custom iframe" feature over the next week or so. This lets anyone build any kind of interactive block, such as terminal emulators, code editors/runners, etc. Stay tuned; email me if you want me to let you know when it's out! - Jim